java利用方法重載編程求函數f( )的值,在main()方法中實現x,y,z值的輸入

public?class?ts{

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

f(1);

f(1,2,3);

}

public?static?int?f(int?x){

return?x*x;

}

public?static?int?f(int?x,int?y){

return?x*x+y*y;

}

public?static?int?f(int?x,int?y，int?z){

return?x*x+y*y+z*z;

}

}

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