Question

Write a program in BlueJ to swap the values of two variables without using the third variable.​

Answer 1

Answer:

Program to swap two numbers without using the third variable

STEP 1: START.

STEP 2: ENTER x, y.

STEP 3: PRINT x, y.

STEP 4: x = x + y.

STEP 5: y= x - y.

STEP 6: x =x - y.

STEP 7: PRINT x, y.

STEP 8: END.