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Print Number with its Sign in Java
Sometimes we need to print the numbers with its sign irrespective of number is positive (+) or negative().
Example:
X = 5, print = +5 Y = 8, print = 8
Say we need to print a equation : 2x  3y  6 = 0 and if you will use
System.out.println(“Equation: "+ a + "x + " +b+ "y + " + c );
The output will be 2x + 3y + 6 which is wrong.
Use System.out.format and use %+d to print the sign of the number
Use System.out.format("Equation: %+dx %+dy %+d = 0", a, b, c );Output: +2x 3y 6 = 0
Java Code:
Output:
Wrong Equation: 2x + 3y + 6 Correct Equation: +2x 3y 6 = 0