round a floating-point number to the next integer value in java

Question

how can i round up a floating point number to the next integer value in Java? Suppose

2.1 -->3

3.001 -->4

4.5 -

Answer 1

See

float a=10.34f,b=45.678f;

System.out.println((int)Math.ceil(a));
System.out.println((int)Math.ceil(b));

Output

11
46