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Tuesday 12 August 2014

System.out.print method in java

System.out.print() is used to print on output devices in java programs.

To print a text with a number we use
int a = 5;
System.out.print("a = "+ a);
It prints a=5

We can also add two numbers in System.out.print()
int a=5, b=9;
System.out.print(a+b);
It will print 14

If the first two value passed to System.out.print() is number than it treats + as addition operator otherwise as concatenation operator.

e.g
int a=1, b=2;
System.out.print(a+b);
System.out.print(a+b+" is the sum");
System.out.print("Sum is"+a+b);

Output will be
3
3 is the sum
Sum is 12            // Instead of adding a and b + concatenates them.

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