Week1Mock1APCSAMCQ4
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class Main {
public static void swap(String a1, String a2)
{
String hold = a1;
a1 = a2;
a2 = hold;
}
public static void main(String[] args) {
// Harbor, Week 1, Mock 1, PR_PracticeTest_1.pdf
// AP CS A
// Page _____
String animal1 = "elephant";
String animal2 = "lion";
swap(animal1, animal2);
animal1.toUpperCase();
animal2.toLowerCase();
System.out.println(animal1 + " " + animal2);
// Output: elephant lion
}
}
Java
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