结束多层循环

没有啥意义的东西

public static void main(String[] args) {
        boolean end = false;//结束标志
        for(int xue = 0;xue <= 9;xue ++){
            System.out.println("xue=" + xue);
            if(end) break;
            for(int xi = 0;xi <= 9;xi ++){
                System.out.println("    xi=" + xi);
                if(end) break;
                for(int hao = 0;hao <= 9;hao ++){
                    System.out.println("        hao=" + hao);
                    if((xue * 10 + xi) * xue == (hao * 100 + hao * 10 + hao) && xue != 0 && hao != 0 ){
                        System.out.println("  学习");
                        System.out.println("X   学");
                        System.out.println("——————");
                        System.out.println("好好好");
                        System.out.println("" + (xue * 10 + xi) + " * " + xue + " = " + (hao * 100 + hao * 10 + hao));
                        end = true;
                        break;
                    }
                }
            }
        }
}

public static void main(String[] args) {
        boolean end = false;//结束标志
    	for(int xue = 0;xue <= 9;xue ++){
    		System.out.println("xue=" + xue);
    		if(end) break;
    		for(int xi = 0;xi <= 9;xi ++){
        		System.out.println("    xi=" + xi);
        		if(end) break;
        		for(int hao = 0;hao <= 9;hao ++){
            		System.out.println("        hao=" + hao);
            		if((xue * 10 + xi) * xue == (hao * 100 + hao * 10 + hao) && xue != 0 && hao != 0 ){
            			System.out.println("  学习");
            			System.out.println("X   学");
            			System.out.println("——————");
            			System.out.println("好好好");
            			System.out.println("" + (xue * 10 + xi) + " * " + xue + " = " + (hao * 100 + hao * 10 + hao));
            			end = true;
            			break;
            		}
            	}
        	}
    	}
}

public static void main(String[] args) {
                end: //运算结束
            for(int xue = 0;xue <= 9;xue ++){
                System.out.println("xue=" + xue);
                for(int xi = 0;xi <= 9;xi ++){
                    System.out.println("    xi=" + xi);
                    for(int hao = 0;hao <= 9;hao ++){
                        System.out.println("        hao=" + hao);
                        if((xue * 10 + xi) * xue == (hao * 100 + hao * 10 + hao) && xue != 0 && hao != 0 ){
                            System.out.println("  学习");
                            System.out.println("X   学");
                            System.out.println("——————");
                            System.out.println("好好好");
                            System.out.println("" + (xue * 10 + xi) + " * " + xue + " = " + (hao * 100 + hao * 10 + hao));
                            break end;
                        }
                    }
                }
            }
}