BAEL-6813: Moved Magic Square code to core-java-lang-math-3 (eugenp#14587)

sazzer · web-flow · commit 4ea3b59240dc · 2023-08-15T12:56:05.000+02:00
* BAEL-6813: Moved Magic Square code to core-java-lang-math-3

* Fix code to work below Java 11

* Fix unrelated broken test
diff --git a/core-java-modules/core-java-jar/src/test/java/com/baeldung/jar/JarAppUnitTest.java b/core-java-modules/core-java-jar/src/test/java/com/baeldung/jar/JarAppUnitTest.java
@@ -3,10 +3,14 @@
 import org.junit.Assert;
 import org.junit.jupiter.api.Test;
 
+import java.util.regex.Pattern;
+
 public class JarAppUnitTest {
 
     @Test
     public void findClassTest(){
-        Assert.assertTrue(JarApp.findObjectMapperClass().endsWith("jackson-databind-2.13.3.jar"));
+        Pattern databindPattern = Pattern.compile(".*jackson-databind-(\\d)+\\.(\\d)+\\.(\\d)\\.jar$");
+
+        Assert.assertTrue(databindPattern.matcher(JarApp.findObjectMapperClass()).matches());
     }
 }
diff --git a/core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/magicsquare/GenerationUnitTest.java b/core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/magicsquare/GenerationUnitTest.java
@@ -1,4 +1,4 @@
-package com.baeldung.leetcode.magicsquare;
+package com.baeldung.magicsquare;
 
 import org.junit.jupiter.api.Test;
 
diff --git a/core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/magicsquare/MagicSquare.java b/core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/magicsquare/MagicSquare.java
@@ -1,4 +1,4 @@
-package com.baeldung.leetcode.magicsquare;
+package com.baeldung.magicsquare;
 
 import org.junit.platform.commons.util.StringUtils;
 
@@ -172,7 +172,9 @@ public String toString() {
                 int value = getCell(x, y);
                 if (value == 0) {
                     sb.append(" ");
-                    sb.append(".".repeat(largestNumberLength));
+                    for (int i = 0; i < largestNumberLength; ++i) {
+                        sb.append(".");
+                    }
                     sb.append(" ");
                 } else {
                     sb.append(String.format(formatString, value));
diff --git a/core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/magicsquare/ValidationUnitTest.java b/core-java-modules/core-java-lang-math-3/src/test/java/com/baeldung/magicsquare/ValidationUnitTest.java
@@ -1,4 +1,4 @@
-package com.baeldung.leetcode.magicsquare;
+package com.baeldung.magicsquare;
 
 import org.junit.jupiter.api.Test;
 
diff --git a/core-java-modules/core-java-leetcode/pom.xml b/core-java-modules/core-java-leetcode/pom.xml
diff --git a/core-java-modules/pom.xml b/core-java-modules/pom.xml
@@ -108,7 +108,6 @@
         <module>core-java-lang-operators-2</module>
         <module>core-java-lang-syntax</module>
         <module>core-java-lang-syntax-2</module>
-        <module>core-java-leetcode</module>
         <module>core-java-locale</module>
         <module>core-java-networking</module>
         <module>core-java-networking-2</module>

Original file line number	Diff line number	Diff line change
`@@ -3,10 +3,14 @@`
`3`	`3`	`import org.junit.Assert;`
`4`	`4`	`import org.junit.jupiter.api.Test;`
`5`	`5`
	`6`	`+import java.util.regex.Pattern;`
	`7`	`+`
`6`	`8`	`public class JarAppUnitTest {`
`7`	`9`
`8`	`10`	`@Test`
`9`	`11`	`public void findClassTest(){`
`10`		`- Assert.assertTrue(JarApp.findObjectMapperClass().endsWith("jackson-databind-2.13.3.jar"));`
	`12`	`+ Pattern databindPattern = Pattern.compile(".*jackson-databind-(\\d)+\\.(\\d)+\\.(\\d)\\.jar$");`
	`13`	`+`
	`14`	`+ Assert.assertTrue(databindPattern.matcher(JarApp.findObjectMapperClass()).matches());`
`11`	`15`	`}`
`12`	`16`	`}`
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-package com.baeldung.leetcode.magicsquare;`
	`1`	`+package com.baeldung.magicsquare;`
`2`	`2`
`3`	`3`	`import org.junit.jupiter.api.Test;`
`4`	`4`