这两个方法名一样不会被重写吗？

Question

import java.util.Scanner;
public class CheckSudokuSolution {

public static int[][] readASolution(){
    Scanner input = new Scanner(System.in);
    System.out.println("Enter a Sudoku puzzzle solution: ");
    int[][] grid = new int[9][9];
    for(int i = 0;i <9;i++) {
        for(int j = 0;j <9;j++) {
            grid[i][j] = input.nextInt();
            
        }
    }
    input.close();
    return grid;
}

public static boolean isValid(int[][] grid) {
    for(int i = 0;i <9;i++) {
        for(int j = 0;j <9;j++) {
            if(grid[i][j] <1 ||grid[i][j]>9
                    ||!isValid(i, j, grid)) {
                return false;
                
            }
        }
    }
    return true;
}

public static boolean isValid(int i, int j, int[][] grid) {
    for(int column = 0;column <9;column++) {
        if(column != j &&grid[i][column] == grid[i][j]) {
            return false;
        }
    }
    for(int row = 0;row <9;row++) {
        if(row != i &&grid[row][j] == grid[i][j]) {
            return false;
        }
    }
    for(int row = (i /3) *3;row <(i /3) *3 +3;row++) {
        for(int col = (i /3) *3;col <(i /3) *3 +3;col++) {
            if(row != i &&col != j &&grid[row][col] == grid[i][j] ) {
                return false;
            }
        }
    }
    return true;
    
}

}

Answer 1

这个叫做方法重载，就是方法名相同参数不同。