Swap variable Java tutorial

 public class main {

public static void main(String[] args) {

String x="water";

String y="cool-aid";

System.out.println("x: "+x);

System.out.println("y: "+y );

}

}

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console output

x: water

y: cool-aid

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perkenalkan(tambah) satu lagi variable iaitu temp

public class main {

public static void main(String[] args) {

String x="water";

String y="cool-aid";

String temp;

temp = x;

x = y;

y=temp;

System.out.println("x: "+x);

System.out.println("y: "+y );

}

}

---

console output

x: cool-aid

y: water