方法的定义和相关内容:

代码描述:
public class Main {
public static void main(String[] args) {
test();
System.out.println("==========");
int sum=add(1,2);
System.out.println(sum);
int max=max(10,20);
System.out.println(max);
}
public static int add(int a,int b){
return a+b;
}
public static void test(){
for (int i = 1; i <=5; i++) {
for (int j = 5; j >= i; j--) {
System.out.print(" ");
}
for (int j=1;j<=i;j++){
System.out.print("*");
}
for(int j=1;j<i;j++){
System.out.print("*");
}
System.out.println();
}
}
public static int max(int num1,int num2){
int result=0;
if(num1>num2){
result=num1;
}else {
result=num2;
}
return result ;
}
}