Answer to Question #15718 in Java | JSP | JSF for Nicholai

Question #15718
Define a class called ‘twoInt’ with two public integer fields a and b In the constructor of ‘twoInt’, initialize the a and b to be 1 and 2 Create an instance ‘mytwoInt’ in the main method Write a method ‘swap’ (not the method of the class ‘twoInt’) and pass the above instance ‘mytwoInt’ into the method, swap two a and b in the method Print out a and b in the main method System.out.print(object.a + ‘ ‘ + object.b); Swap(object); System.out.print(object.a + ‘ ‘ + object.b); my code public class TwoInt { public static void main (String [] args) { int a; int b; TwoInt myTwoInt = new TwoInt(); System.out.println(myTwoInt.a + " " + myTwoInt.b); } public TwoInt() { a = 1; b = 2; } public void swap (myTwoInt int a, int b) { int tmp = a; a = b; b = tmp; System.out.println(myTwoInt.a + " " + myTwoInt.b); }
1
Expert's answer
2012-10-02T07:20:57-0400
public class twoIntTest {

/**
& * @param args
& */
public static void main(String[] args) {
& TwoInt object = new TwoInt();
& System.out.println(object.a + " " + object.b);
& swap(object);
& System.out.println(object.a + " " + object.b);
}

public static void swap(TwoInt object) {
& int temp = object.a;
& object.a = object.b;
& object.b = temp;
}
}

class TwoInt {
public TwoInt() {
& a = 1;
& b = 2;
}

public int a;
public int b;
}

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