View Compilation Error

0_0_39078350_32618\Main.java:1: 错误: 需要class, interface或enum
public int leastBricks(List<List<Integer>> wall) {  
       ^
0_0_39078350_32618\Main.java:1: 错误: 需要class, interface或enum
public int leastBricks(List<List<Integer>> wall) {  
                               ^
0_0_39078350_32618\Main.java:1: 错误: 需要class, interface或enum
public int leastBricks(List<List<Integer>> wall) {  
                                       ^
0_0_39078350_32618\Main.java:1: 错误: 需要class, interface或enum
public int leastBricks(List<List<Integer>> wall) {  
                                                  ^
0_0_39078350_32618\Main.java:1: 错误: 需要class, interface或enum
public int leastBricks(List<List<Integer>> wall) {  
                                                       ^
0_0_39078350_32618\Main.java:2: 错误: 需要class, interface或enum
    Map<Integer, Integer> map = new HashMap<>();  
           ^
0_0_39078350_32618\Main.java:2: 错误: 需要class, interface或enum
    Map<Integer, Integer> map = new HashMap<>();  
                                ^
0_0_39078350_32618\Main.java:2: 错误: 需要class, interface或enum
    Map<Integer, Integer> map = new HashMap<>();  
                                                     ^
0_0_39078350_32618\Main.java:2: 错误: 需要class, interface或enum
    Map<Integer, Integer> map = new HashMap<>();  
                                                         ^
0_0_39078350_32618\Main.java:3: 错误: 需要class, interface或enum
    int row = wall.size();  
    ^
0_0_39078350_32618\Main.java:4: 错误: 需要class, interface或enum
    int maxEdge = 0;  
    ^
0_0_39078350_32618\Main.java:5: 错误: 需要class, interface或enum
    for (List<Integer> bricks : wall) {  
    ^
0_0_39078350_32618\Main.java:5: 错误: 需要class, interface或enum
    for (List<Integer> bricks : wall) {  
                 ^
0_0_39078350_32618\Main.java:5: 错误: 需要class, interface或enum
    for (List<Integer> bricks : wall) {  
                             ^
0_0_39078350_32618\Main.java:7: 错误: 需要class, interface或enum
        for (int i = 0; i < bricks.size() - 1; i++) {  
        ^
0_0_39078350_32618\Main.java:7: 错误: 需要class, interface或enum
        for (int i = 0; i < bricks.size() - 1; i++) {  
                        ^
0_0_39078350_32618\Main.java:7: 错误: 需要class, interface或enum
        for (int i = 0; i < bricks.size() - 1; i++) {  
                               ^
0_0_39078350_32618\Main.java:7: 错误: 需要class, interface或enum
        for (int i = 0; i < bricks.size() - 1; i++) {  
                                                  ^
0_0_39078350_32618\Main.java:9: 错误: 需要class, interface或enum
            sumOfBrick += brick;  
            ^
0_0_39078350_32618\Main.java:10: 错误: 需要class, interface或enum
            int edge = map.getOrDefault(sumOfBrick, 0) + 1;  
            ^
0_0_39078350_32618\Main.java:11: 错误: 需要class, interface或enum
            map.put(sumOfBrick, edge);  
            ^
0_0_39078350_32618\Main.java:12: 错误: 需要class, interface或enum
            maxEdge = Math.max(edge, maxEdge);  
            ^
0_0_39078350_32618\Main.java:13: 错误: 需要class, interface或enum
        }  
        ^
0_0_39078350_32618\Main.java:16: 错误: 需要class, interface或enum
}
^
24 个错误