Parsing String data into Integer and printing

Author: Sufiyan33

DataStructure/src/test_knowledge/Test30.java

@@ -0,0 +1,25 @@
+package test_knowledge;
+
+import java.util.Arrays;
+
+public class Test30 {
+
+	/*
+	 * Parse String into array and print data
+	 */
+	public static void main(String[] args) {
+		String[] str = { "1", "2", "3", "new", "5" };
+
+		Arrays.stream(str).filter(Test30::isInteger).mapToInt(Integer::parseInt).forEach(System.out::println);
+	}
+
+	public static boolean isInteger(String s) {
+		try {
+			Integer.parseInt(s);
+			return true;
+		} catch (NumberFormatException e) {
+			return false;
+		}
+	}
+
+}