Java |简单的递归

public class Example {

public static void main(String[] args) {

//方法的递归调用

int sum = getSum(4);

System.out.println("sum="+sum);

}

public static int getSum(int n) {

if (n==1){

return 1;

}

int temp = getSum(n-1);

return temp+n;

}

}