class ForTest {
public static void main(String[] args) {
//请在控制台输出数据1-10
System.out.println(1);
System.out.println(2);
System.out.println(3);
System.out.println(4);
System.out.println(5);
System.out.println(6);
System.out.println(7);
System.out.println(8);
System.out.println(9);
System.out.println(10);
System.out.println("------------");
for(int x=0; x<10; x++) {
System.out.println(x+1);
}
System.out.println("------------");
for(int x=1; x<=10; x++) {
System.out.println(x);
}
System.out.println("------------");
for(int x=10; x>0; x--) {
System.out.println(x);
}
System.out.println("------------");
}
}