j02050103.java

经典java教材《java完美经典》一书中源码的完全收集

import java.lang.*;

class j02050103
{
  public static void main(String para[])
  {
			long L1,L2;
			L1=2147483647;
			System.out.println("L1="+L1);
			//L2=9223372036; // 有错误，整数过大
			L2=9223372036L;
			System.out.println("L2="+L2);
			
			double D1,D2,D3;
			D1=3.0780017;
			System.out.println("D1="+D1);
			D2=3.0780017D;
			System.out.println("D2="+D2);
			D3=26.77E3D;
			System.out.println("D3="+D3);
			
			float F1,F2;
			//F1=0.1;// 有错误，精确度丧失
			F1=0.1F;
			System.out.println("F1="+F1);
			F2=-3.40282347E38F;
			System.out.println("F2="+F2);
  }
}