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package misc;
public class StringSwap {
public static void main(String[] args) {
String a = "Hello";
String b = "World";
System.out.println("Strings before swap: a = " + a + " and b = " + b);
a = a + b;
// Store initial string a in string b
b = a.substring(0, a.length() - b.length());
// Store initial string b in string a
a = a.substring(b.length());
System.out.println("Strings after swap: a = " + a + " and b = " + b);
}
}