bignums.java

JAVA编程思想源代码 值得一下 很难找的

package chapter7;
import java.math.*;

public class BigNums {
	public static void main(String[] argv) {
		
		String s="5";
		System.out.println("Here's Long.MAX_VALUE: " + Long.MAX_VALUE);
		BigInteger bInt = new BigInteger("3419229223372036854775807");
		System.out.println("Here's a bigger number: " + bInt);
		System.out.println("Here it is as a double: " + bInt.doubleValue());
		System.out.println("int is "+Integer.parseInt(s));
	}
}