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I have added changes #62

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b70b483
I have added changes
Jun 27, 2022
c7ac0d3
passed containsequalnumberstest, countyztest
Jun 28, 2022
9d73887
modified ContainsEqualNumberOfIsAndNot to successfully pass tests
Jun 28, 2022
118ba7f
worked on gIsHappy & test cases successfully pass
Jun 28, 2022
fd77205
worked on countTriple so test cases successfully pass
Jun 29, 2022
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96 changes: 74 additions & 22 deletions src/main/java/io/zipcoder/StringsAndThings.java
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Original file line number Diff line number Diff line change
@@ -1,6 +1,11 @@
package io.zipcoder;


import javax.annotation.processing.SupportedSourceVersion;
import java.util.ArrayList;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
* @author tariq
*/
Expand All @@ -11,58 +16,105 @@ public class StringsAndThings {
* but not the 'y' in "yellow" (not case sensitive). We'll say that a y or z is at the end of a word if there is not an alphabetic
* letter immediately following it. (Note: Character.isLetter(char) tests if a char is an alphabetic letter.)
* example : countYZ("fez day"); // Should return 2
* countYZ("day fez"); // Should return 2
* countYZ("day fyyyz"); // Should return 2
* countYZ("day fez"); // Should return 2
* countYZ("day fyyyz"); // Should return 2
*/
public Integer countYZ(String input){
return null;
public int countYZ(String input) {
int count = 0;
Pattern regex = Pattern.compile("[yz](?!\\p{L})", Pattern.CASE_INSENSITIVE);
Matcher regexMatcher = regex.matcher(input);
while (regexMatcher.find()) {
count++;
}
return count;
}

/**
* Given two strings, base and remove, return a version of the base string where all instances of the remove string have
* been removed (not case sensitive). You may assume that the remove string is length 1 or more.
* Remove only non-overlapping instances, so with "xxx" removing "xx" leaves "x".
*
* <p>
* example : removeString("Hello there", "llo") // Should return "He there"
* removeString("Hello there", "e") // Should return "Hllo thr"
* removeString("Hello there", "x") // Should return "Hello there"
* removeString("Hello there", "e") // Should return "Hllo thr"
* removeString("Hello there", "x") // Should return "Hello there"
*/
public String removeString(String base, String remove){
return null;
public String removeString(String base, String remove) {
String res = base.replaceAll("(?i)" + remove, "");
System.out.println(res);
return res;
}

/**
* Given a string, return true if the number of appearances of "is" anywhere in the string is equal
* to the number of appearances of "not" anywhere in the string (case sensitive)
*
* <p>
* example : containsEqualNumberOfIsAndNot("This is not") // Should return false
* containsEqualNumberOfIsAndNot("This is notnot") // Should return true
* containsEqualNumberOfIsAndNot("noisxxnotyynotxisi") // Should return true
* containsEqualNumberOfIsAndNot("This is notnot") // Should return true
* containsEqualNumberOfIsAndNot("noisxxnotyynotxisi") // Should return true
*/
public Boolean containsEqualNumberOfIsAndNot(String input){
return null;
public Boolean containsEqualNumberOfIsAndNot(String input) {
ArrayList<String> isArrList = new ArrayList<>();
ArrayList<String> notArrList = new ArrayList<>();
boolean isEqual = false;
String is = "is";
String not = "not";

for (int i = 0; i <= input.length() - 1; i++) {
if (input.regionMatches(true, i, is, 0, is.length())) {
// System.out.println("found is");
isArrList.add("added");
}
if (input.regionMatches(true, i, not, 0, not.length())) {
// System.out.println("found not");
notArrList.add("added");
}
}
// System.out.println("length of 'is' list= " + isArrList.size());
// System.out.println("length of 'not' list= " + notArrList.size());
if (isArrList.size() == notArrList.size()) {
isEqual = true;
}
return isEqual;
}


/**
* We'll say that a lowercase 'g' in a string is "happy" if there is another 'g' immediately to its left or right.
* Return true if all the g's in the given string are happy.
* example : gHappy("xxggxx") // Should return true
* gHappy("xxgxx") // Should return false
* gHappy("xxggyygxx") // Should return false
* gHappy("xxgxx") // Should return false
* gHappy("xxggyygxx") // Should return true
*/
public Boolean gIsHappy(String input){
return null;
public Boolean gIsHappy(String input) {
boolean outcome = false;
String gg = "gg";
for (int i = 0; i <= input.length(); i++) {
if (input.regionMatches(true, i, gg, 0, gg.length())) {
outcome = true;
}
}
return outcome;
}


/**
* We'll say that a "triple" in a string is a char appearing three times in a row.
* Return the number of triples in the given string. The triples may overlap.
* example : countTriple("abcXXXabc") // Should return 1
* countTriple("xxxabyyyycd") // Should return 3
* countTriple("a") // Should return 0
* countTriple("xxxabyyyycd") // Should return 3
* countTriple("a") // Should return 0
*/
public Integer countTriple(String input){
return null;
public Integer countTriple(String input) {
int len = input.length();
int count = 0;

for (int i = 0; i < len -2; i++) {
if ((i < len) &&
input.charAt(i) == input.charAt(i + 1) &&
input.charAt(i) == input.charAt(i +2)) {
count++;
}
}
return count;
}
}
2 changes: 1 addition & 1 deletion src/test/java/io/zipcoder/stringsandthings/CountYZTest.java
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Expand Up @@ -21,7 +21,7 @@ public void setup(){
public void countYZTest1(){
String input = "fez day";
Integer expected = 2;
Integer actual = stringsAndThings.countYZ(input);
Integer actual = Integer.valueOf(stringsAndThings.countYZ(input));
Assert.assertEquals(expected, actual);
}

Expand Down
Binary file added target/classes/io/zipcoder/StringsAndThings.class
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5 changes: 5 additions & 0 deletions target/maven-archiver/pom.properties
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@@ -0,0 +1,5 @@
#Generated by Maven
#Mon Jun 27 10:41:08 EDT 2022
artifactId=strings-and-things
groupId=com.github.zipcodewilmington
version=1.0.0
Empty file added target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
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1 change: 1 addition & 0 deletions target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
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/Users/myah/Dev/stringsandthings.maven/src/main/java/io/zipcoder/StringsAndThings.java
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5 changes: 5 additions & 0 deletions target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst
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/Users/myah/Dev/stringsandthings.maven/src/test/java/io/zipcoder/stringsandthings/GIsHappyTest.java
/Users/myah/Dev/stringsandthings.maven/src/test/java/io/zipcoder/stringsandthings/RemoveStringTest.java
/Users/myah/Dev/stringsandthings.maven/src/test/java/io/zipcoder/stringsandthings/ContainsEqualNumberOfIsAndNotTest.java
/Users/myah/Dev/stringsandthings.maven/src/test/java/io/zipcoder/stringsandthings/CountYZTest.java
/Users/myah/Dev/stringsandthings.maven/src/test/java/io/zipcoder/stringsandthings/CountTripleTest.java
Binary file added target/strings-and-things-1.0.0.jar
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157 changes: 157 additions & 0 deletions .../surefire-reports/TEST-io.zipcoder.stringsandthings.ContainsEqualNumberOfIsAndNotTest.xml
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<?xml version="1.0" encoding="UTF-8" ?>
<testsuite tests="3" failures="0" name="io.zipcoder.stringsandthings.ContainsEqualNumberOfIsAndNotTest" time="0" errors="3" skipped="0">
<properties>
<property name="idea.version" value="2022.1.3"/>
<property name="java.runtime.name" value="Java(TM) SE Runtime Environment"/>
<property name="java.vm.version" value="18.0.1.1+2-6"/>
<property name="sun.boot.library.path" value="/Library/Java/JavaVirtualMachines/jdk-18.0.1.1.jdk/Contents/Home/lib"/>
<property name="maven.multiModuleProjectDirectory" value="/Users/myah/Dev/stringsandthings.maven"/>
<property name="java.vm.vendor" value="Oracle Corporation"/>
<property name="java.vendor.url" value="https://java.oracle.com/"/>
<property name="guice.disable.misplaced.annotation.check" value="true"/>
<property name="path.separator" value=":"/>
<property name="java.vm.name" value="Java HotSpot(TM) 64-Bit Server VM"/>
<property name="user.country" value="US"/>
<property name="sun.java.launcher" value="SUN_STANDARD"/>
<property name="java.vm.specification.name" value="Java Virtual Machine Specification"/>
<property name="user.dir" value="/Users/myah/Dev/stringsandthings.maven"/>
<property name="java.vm.compressedOopsMode" value="Zero based"/>
<property name="java.runtime.version" value="18.0.1.1+2-6"/>
<property name="os.arch" value="x86_64"/>
<property name="java.io.tmpdir" value="/var/folders/t8/_7shrwb51fv0pd4t1klkpbw00000gp/T/"/>
<property name="line.separator" value="
"/>
<property name="java.vm.specification.vendor" value="Oracle Corporation"/>
<property name="os.name" value="Mac OS X"/>
<property name="maven.ext.class.path" value="/Applications/IntelliJ IDEA CE.app/Contents/plugins/maven/lib/maven-event-listener.jar"/>
<property name="classworlds.conf" value="/Applications/IntelliJ IDEA CE.app/Contents/plugins/maven/lib/maven3/bin/m2.conf"/>
<property name="sun.jnu.encoding" value="UTF-8"/>
<property name="java.library.path" value="/Users/myah/Library/Java/Extensions:/Library/Java/Extensions:/Network/Library/Java/Extensions:/System/Library/Java/Extensions:/usr/lib/java:."/>
<property name="maven.conf" value="/Applications/IntelliJ IDEA CE.app/Contents/plugins/maven/lib/maven3/conf"/>
<property name="jdk.debug" value="release"/>
<property name="java.class.version" value="62.0"/>
<property name="java.specification.name" value="Java Platform API Specification"/>
<property name="sun.management.compiler" value="HotSpot 64-Bit Tiered Compilers"/>
<property name="maven.test.failure.ignore" value="true"/>
<property name="os.version" value="12.2.1"/>
<property name="http.nonProxyHosts" value="local|*.local|169.254/16|*.169.254/16"/>
<property name="user.home" value="/Users/myah"/>
<property name="user.timezone" value="America/New_York"/>
<property name="file.encoding" value="UTF-8"/>
<property name="java.specification.version" value="18"/>
<property name="user.name" value="myah"/>
<property name="java.class.path" value="/Applications/IntelliJ IDEA CE.app/Contents/plugins/maven/lib/maven3/boot/plexus-classworlds.license:/Applications/IntelliJ IDEA CE.app/Contents/plugins/maven/lib/maven3/boot/plexus-classworlds-2.6.0.jar"/>
<property name="java.vm.specification.version" value="18"/>
<property name="sun.arch.data.model" value="64"/>
<property name="sun.java.command" value="org.codehaus.classworlds.Launcher -Didea.version=2022.1.3 package -Dmaven.test.failure.ignore=true"/>
<property name="java.home" value="/Library/Java/JavaVirtualMachines/jdk-18.0.1.1.jdk/Contents/Home"/>
<property name="apple.awt.application.name" value="Launcher"/>
<property name="user.language" value="en"/>
<property name="java.specification.vendor" value="Oracle Corporation"/>
<property name="java.vm.info" value="mixed mode, sharing"/>
<property name="java.version" value="18.0.1.1"/>
<property name="native.encoding" value="UTF-8"/>
<property name="java.vendor" value="Oracle Corporation"/>
<property name="maven.home" value="/Applications/IntelliJ IDEA CE.app/Contents/plugins/maven/lib/maven3"/>
<property name="file.separator" value="/"/>
<property name="java.version.date" value="2022-04-22"/>
<property name="java.vendor.url.bug" value="https://bugreport.java.com/bugreport/"/>
<property name="sun.io.unicode.encoding" value="UnicodeBig"/>
<property name="sun.cpu.endian" value="little"/>
<property name="socksNonProxyHosts" value="local|*.local|169.254/16|*.169.254/16"/>
<property name="ftp.nonProxyHosts" value="local|*.local|169.254/16|*.169.254/16"/>
</properties>
<testcase classname="io.zipcoder.stringsandthings.ContainsEqualNumberOfIsAndNotTest" name="equalIsNotTest1" time="0">
<error message="Cannot invoke &quot;java.lang.Boolean.booleanValue()&quot; because &quot;actual&quot; is null" type="java.lang.NullPointerException">java.lang.NullPointerException: Cannot invoke &quot;java.lang.Boolean.booleanValue()&quot; because &quot;actual&quot; is null
at io.zipcoder.stringsandthings.ContainsEqualNumberOfIsAndNotTest.equalIsNotTest1(ContainsEqualNumberOfIsAndNotTest.java:23)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:577)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:577)
at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
</error>
</testcase>
<testcase classname="io.zipcoder.stringsandthings.ContainsEqualNumberOfIsAndNotTest" name="equalIsNotTest2" time="0">
<error message="Cannot invoke &quot;java.lang.Boolean.booleanValue()&quot; because &quot;actual&quot; is null" type="java.lang.NullPointerException">java.lang.NullPointerException: Cannot invoke &quot;java.lang.Boolean.booleanValue()&quot; because &quot;actual&quot; is null
at io.zipcoder.stringsandthings.ContainsEqualNumberOfIsAndNotTest.equalIsNotTest2(ContainsEqualNumberOfIsAndNotTest.java:29)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:577)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:577)
at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
</error>
</testcase>
<testcase classname="io.zipcoder.stringsandthings.ContainsEqualNumberOfIsAndNotTest" name="equalIsNotTest3" time="0">
<error message="Cannot invoke &quot;java.lang.Boolean.booleanValue()&quot; because &quot;actual&quot; is null" type="java.lang.NullPointerException">java.lang.NullPointerException: Cannot invoke &quot;java.lang.Boolean.booleanValue()&quot; because &quot;actual&quot; is null
at io.zipcoder.stringsandthings.ContainsEqualNumberOfIsAndNotTest.equalIsNotTest3(ContainsEqualNumberOfIsAndNotTest.java:35)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:577)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:577)
at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
</error>
</testcase>
</testsuite>
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