Math.ceil()
Syntax
Math.ceil(double input_number) System.out.println(Math.ceil(-20)); // -20.0
System.out.println(Math.ceil(-20.56));// -20.0
System.out.println(Math.ceil(-20.12));// -20.0
System.out.println(Math.ceil(20)); // 20.0
System.out.println(Math.ceil(20.56)); // 21.0
System.out.println(Math.ceil(20.12)); // 21.0All Math functions
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