选择题

public class Test01 {
	public static void main(String[] args) {
		try{
			int i = 100 / 0;
			System.out.print(i);
		}catch(Exception e){
			System.out.print(1);
			throw new RuntimeException();
		}finally{
			System.out.print(2);
		}
		System.out.print(3);
	}
}

编程题
题目1

import java.util.*;

public class Board {
   	public static boolean checkWon(int[][] board) {
		int n = board.length;//n行 3
		int m = board[0].length;//m列 3

		int f1 = 0;
		int f2 = 0;

		//先检查行
		for(int i=0;i<n;i++) {
			f1 = 0;
			f2 = 0;
			for(int j=0;j<m;j++) {
				if(board[i][j] == 1)
					f1++;
				if(board[i][j] == -1)
					f2++;
			}
			if(f1 == m) {
				return true;
			}
			if(f2 == m) {
				return false;
			}
		}
		f1 = 0;
		f2 = 0;
		
		//再检查列
		for(int i=0;i<m;i++) {
			f1 = 0;
			f2 = 0;
			for(int j=0;j<n;j++) {
				if(board[j][i] == 1)
					f1++;
				if(board[j][i] == -1)
					f2++;
			}
			if(f1 == n) {
				return true;
			}
			if(f2 == n) {
				return false;
			}
		}
		f1 = 0;
		f2 = 0;
		
		//检查斜列
		for(int i=0;i<n;i++) {
			if(board[i][i] == 1) {
				f1++;
			}
			if(board[i][i] == -1)
				f2++;
		}
		if(f1 == n) {
			return true;
		}
		if(f2 == n) {
			return false;
		}
		f1 = 0;
		f2 = 0;
		
		for(int i=0;i<n;i++) {
			for(int j=0;j<m;j++) {
				if(i == (n-j-1)) {
					if(board[i][j] == 1)
						f1++;
					if(board[i][j] == -1)
						f2++;
				}
			}
		}
		if(f1 == n) {
			return true;
		}
		if(f2 == n) {
			return false;
		}
		return false;
    }
}

题目2

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        sc.nextLine();
        int sum = 0;
        //1
        if (s.length() <= 4) {
            sum += 5;
        } else if (s.length() >= 5 && s.length() <= 7) {
            sum += 10;
        } else if (s.length() >= 8) {
            sum += 25;
        }
        //2
        boolean f1 = false;
        boolean f2 = false;
        int cum1 = 0;
        int cum2 = 0;
        for (int i = 0; i < s.length(); i++) {
            if (s.charAt(i) >= 'a' && s.charAt(i) <= 'z') {
                f1 = true;
                cum1++;
            }
            if (s.charAt(i) >= 'A' && s.charAt(i) <= 'Z') {
                f2 = true;
                cum2++;
            }
        }
        if (f1 && f2) {
            sum += 20;
        } else if (f1 || f2) {
            sum += 10;
        } else {
            sum += 0;
        }
        //3
        int num = 0;
        for (int i = 0; i < s.length(); i++) {
            if (s.charAt(i) >= '0' && s.charAt(i) <= '9') {
                num++;
            }
        }
        if (num == 0) {
            sum += 0;
        } else if (num == 1) {
            sum += 10;
        } else if (num > 1) {
            sum += 20;
        }
        //4
//      !"#$%&'()*+,-./     (ASCII码：0x21~0x2F)33 - 47
//      :;<=>?@             (ASCII码：0x3A~0x40)58 - 64
//      [\]^_`              (ASCII码：0x5B~0x60)91 - 96
//      {|}~                (ASCII码：0x7B~0x7E)123 - 126

        int team = 0;
        for (int i = 0; i < s.length(); i++) {
            if (s.charAt(i) >= 33 && s.charAt(i) <= 47) {
                team++;
            } else if (s.charAt(i) >= 58 && s.charAt(i) <= 64) {
                team++;
            } else if (s.charAt(i) >= 91 && s.charAt(i) <= 96) {
                team++;
            } else if (s.charAt(i) >= 123 && s.charAt(i) <= 126) {
                team++;
            }
        }
        if (team == 0) {
            sum += 0;
        } else if (team == 1) {
            sum += 10;
        } else if (team > 1) {
            sum += 25;
        }

        //5
        if (cum1 != 0 && cum2 != 0 && num != 0 && team != 0) {
            sum += 5;
        } else if ((cum1 != 0 || cum2 != 0) && num != 0 && team != 0) {
            sum += 3;
        } else if ((cum1 != 0 || cum2 != 0) && num != 0) {
            sum += 2;
        }
        //
        if (sum >= 90) {
            System.out.println("VERY_SECURE");
        } else if (sum >= 80) {
            System.out.println("SECURE");
        } else if (sum >= 70) {
            System.out.println("VERY_STRONG");
        } else if (sum >= 60) {
            System.out.println("STRONG");
        } else if (sum >= 50) {
            System.out.println("AVERAGE");
        } else if (sum >= 25) {
            System.out.println("WEAK");
        } else if (sum >= 0) {
            System.out.println("VERY_WEAK");
        }
        sc.close();
    }
}