BAEL-5381: Java Scanner.skip method with examples (#12083)

* BAEL-5381: Java Scanner.skip method with examples

* BAEL-5381: Edit unitTest class name

core-java-modules/core-java-io-4/src/test/java/com/baeldung/scanner/ScannerUnitTest.java

@@ -0,0 +1,34 @@
+package com.baeldung.scanner;
+
+import org.junit.Test;
+
+import java.util.*;
+import java.util.regex.*;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class ScannerUnitTest {
+    @Test public void scannerSkipUsingPattern() {
+        String str = "Java scanner skip tutorial";
+        // Instantiates Scanner
+        Scanner sc = new Scanner(str);
+        // By using skip(Pattern) method is to skip that meets the given pattern
+        sc.skip(Pattern.compile(".ava"));
+        assertEquals(sc.nextLine(), " scanner skip tutorial");
+        // Scanner closed
+        sc.close();
+    }
+
+    @Test public void scannerSkipUsingStringPattern() {
+        String str = "Java scanner skip tutorial";
+        // Instantiates Scanner
+        Scanner sc = new Scanner(str);
+        // By using skip(String) method is to skip that meets the given
+        // pattern constructed from the given String
+        sc.skip("Java");
+        assertEquals(sc.nextLine(), " scanner skip tutorial");
+
+        // Scanner closed
+        sc.close();
+    }
+}