题目内容
有以下四个程序Java源文件，有错误的是（ ）。（1）Test1.javapublic class Test1{public static void main(String [] args) {System.out.println("right or wrong ?");}}public class TestAnother1{public static void main(String [] args) {System.out.println("right or wrong ?");}}（2）Test2.javapublic class Testing2{public static void main(String [] args) {System.out.println("right or wrong ?");}}（3）Test3.javapublic class Test3{public static void main(String args) {System.out.println("right or wrong ?");}}（4）Test4.javapublic class Test4{public void main(String [] args) {System.out.println("right or wrong ?");}}
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