}

public static void main(String [] args){ }

System.out.println(max(2,3,1));

运行结果是：

2． 程序如下：

package shiyan3_2;

public class Staff {

private static String name; private static String number; private static float pay;

public void setName(String name){ this. = name; }

public String getName(){ return this.; }

public void setNum(String num){ this. = num; }

public String getNum(){ return this.; }

public void setPay(float pay){ this. = pay; }

public float getPay(){ return this.; }

public String toString(){

return this. + ',' + this. + ',' + this.; } }