Swap Two Numbers

Swap Two Numbers

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+public class SwapNumbers {
+
+    public static void main(String[] args) {
+
+        float first = 1.20f, second = 2.45f;
+
+        System.out.println("--Before swap--");
+        System.out.println("First number = " + first);
+        System.out.println("Second number = " + second);
+
+        // Value of first is assigned to temporary
+        float temporary = first;
+
+        // Value of second is assigned to first
+        first = second;
+
+        // Value of temporary (which contains the initial value of first) is assigned to second
+        second = temporary;
+
+        System.out.println("--After swap--");
+        System.out.println("First number = " + first);
+        System.out.println("Second number = " + second);
+    }
+}