指出并修改以下代码中的错误:
public class Test{public static void main(String[]args){double i = 50.0;double k = i + 50.0;double j = k + 1;System.out.println("Mj is" + j + "and k is" + k) ;}}
public class Test { public static void main(String[]args){ double i = 50.0; double k = i + 50.0; double j = k + 1; //看不出来哪里错了,只能在输出语句加上冒号和逗号,让输出语句稍看起来更养眼一点 System.out.println("Mj is:" + j + ",and k is:" + k); //原输出语句 Mj is101.0and k is100.0 //修改后 Mj is:101.0,and k is:100.0 } }
}
1 2 3 4 5 6 7 8 9 10 | 1publicclassTest{ 2publicvoidmain(string[]args){ 3double i = 50.0; 4double k = i +50.0; 5double j = k +1; 7System.out.println(Mj is • • + j + •• and + 8k is • • + k) ; 9} 10} |
1 public class Test{ 2 public void main(string[]args){ 3 double i = 50.0; 4 double k = i + 50.0; 5 double j = k + 1; 6 7 System.out.println("Mj is" + j + "and k is" + k) ; 9 } 10 }
public class Test{ public static void main(String[]args){ double i = 50.0; double k = i + 50.0; double j = k + 1; System.out.println("Mj is" + j + "and k is" + k) ; } }