Error: Main method is not static in class Test, please define the `main` method as: public static void main(String[] args) void Every Java method must provide the return type. The Javamainmethod return type isvoidbecause it doesn’t return anything. When themainmethod is finished executing...
packagecom.test;importcom.test.entity.Person;//使用import关键字导入其他包中的类publicclassMain{publicstaticvoidmain(String[] args){Personperson=newPerson();//只有导入之后才可以使用,否则编译器不知道这个类从哪来的}} 这里使用了import关键字导入我们需要使用的类,当然,只有在类不在同一个包下时才需要进...
阅读下面代码: public static void main (String [] args){ String s; System.out.println(“s=”+s); } 编译运行以上程序,结果是()A.编译错误B.编译通过,但出现运行时错误C.正常运行,输出s=nullD.正常运行,输出s=的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shua
假设有如下程序: public class Demo{ public static void main(String[] args) { int num=50; num=num++*2; System.out.print(num); } }最终的执行结果是()。A.50B.102C.100D.101的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,
3斐波那契数列的问题代码如下public class Test static int sum public static void main(String args[]) int a = 1 int b = 1 for (int i = 0; i < 10; i++) if (i < 3) sum = 1 else sum = a + b a=b b=sum System.out.println(sum)输出结果1112358132134为什么多个1? 4 But what ...
A.60 B.20 C.30 D.50 查看答案
{ static void Main(string[] args) { DifferentAssemblyDerivedClass p = new DifferentAssemblyDerivedClass(); // NOT OK // Console.WriteLine(p.privateVariable); // NOT OK //Console.WriteLine(p.internalVariable); // OK Console.WriteLine(p.publicVariable); // OK Console.WriteLine(p.protected...
void: Void means the Method will not return any value. In Java, every method provides the return type whereas Java main method doesn’t return any value. Java program starts with main method and terminates once the main method is finished executing. If we make main method to return a value...
public class test { public static void main(String args[]) { // 输出5行 for (int i = 0; i < 5; i++) { // 输出4列 for (int j = 1; j < 5; j++) { // 当i==0时输出标题栏 if (i == 0) { // 过滤j=1的时候输出1*N的这种情况 if (j - 1 == 0)// ...
public static void main(String args[ ]) int x,y; x=(int)Math.sqrt(2)/2+(int)Math.random()*2/2; y=(int)Math.sqrt(3)/3+(int)Math.random()*3/3; if (x>y) System.out.println("x>y"); else if (x==y) System.out.println("x=y"); else System.out.println(...