memoryplay.java~49~

来自「提供了常用的JAVA技术的示例」· JAVA~49~ 代码 · 共 32 行

package MemoryPlay;

//import java.lang.StringBuffer;
import Class.*;
import java.lang.Class;


class RandomTest{
    public int randomtest(){
         int rd=Random();
         return rd;
    }
}
public class MemoryPlay {

  public static void main(String a[]) {
      Runtime runtime=Runtime.getRuntime();
      long freeMemory=runtime.freeMemory()/1024;
      long totalMemory=runtime.totalMemory()/1024;

      RandomTest r=new RandomTest();
      System.out.println("random = "+r.randomtest());

      System.out.println("freeMemory = "+freeMemory+"KB");
      System.out.println("totalMemory = "+totalMemory+"KB");

      Class info=Class.forName("java.lang.class");
      String s=info.getName();

      }

}