removeCharacter added

Author: W

src/main/java/com/w_wins/common/Strings.java

@@ -63,4 +63,8 @@ public static Stream<String> split(final String string, final String delimiter)
     private static Stream<String> split(final String string, final Pattern pattern) {
         return Arrays.stream(pattern.split(string));
     }
+
+    public static String removeCharacter(final String original, final int index) {
+        return original.substring(0, index) + original.substring(index + 1);
+    }
 }

src/test/java/com/w_wins/common/StringsTest.java

@@ -0,0 +1,16 @@
+package com.w_wins.common;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class StringsTest {
+
+    @Test
+    void removeCharacter() {
+        assertEquals("bcd",Strings.removeCharacter("abcd",0));
+        assertEquals("acd",Strings.removeCharacter("abcd",1));
+        assertEquals("abd",Strings.removeCharacter("abcd",2));
+        assertEquals("abc",Strings.removeCharacter("abcd",3));
+    }
+}