View Compilation Error

0_0_22203873_1024\Main.java:17: 错误: 非法字符: '\u201c'
   if(str.equals(“GRAPH BEGIN”)){
                 ^
0_0_22203873_1024\Main.java:17: 错误: 需要')'
   if(str.equals(“GRAPH BEGIN”)){
                  ^
0_0_22203873_1024\Main.java:17: 错误: 非法字符: '\u201d'
   if(str.equals(“GRAPH BEGIN”)){
                             ^
0_0_22203873_1024\Main.java:17: 错误: 不是语句
   if(str.equals(“GRAPH BEGIN”)){
                        ^
0_0_22203873_1024\Main.java:24: 错误: 非法字符: '\u201c'
    while(!s.equals(“GRAPH END”)){
                    ^
0_0_22203873_1024\Main.java:24: 错误: 需要')'
    while(!s.equals(“GRAPH END”)){
                     ^
0_0_22203873_1024\Main.java:24: 错误: 非法字符: '\u201d'
    while(!s.equals(“GRAPH END”)){
                              ^
0_0_22203873_1024\Main.java:24: 错误: 不是语句
    while(!s.equals(“GRAPH END”)){
                           ^
0_0_22203873_1024\Main.java:25: 错误: 非法字符: '\u2019'
     if(s.charAt(0)-’a’ > max) max = s.charAt(0)-’a';    
                    ^
0_0_22203873_1024\Main.java:25: 错误: 非法字符: '\u2019'
     if(s.charAt(0)-’a’ > max) max = s.charAt(0)-’a';    
                      ^
0_0_22203873_1024\Main.java:25: 错误: 不是语句
     if(s.charAt(0)-’a’ > max) max = s.charAt(0)-’a';    
                     ^
0_0_22203873_1024\Main.java:25: 错误: 不是语句
     if(s.charAt(0)-’a’ > max) max = s.charAt(0)-’a';    
                          ^
0_0_22203873_1024\Main.java:25: 错误: 需要';'
     if(s.charAt(0)-’a’ > max) max = s.charAt(0)-’a';    
                             ^
0_0_22203873_1024\Main.java:25: 错误: 非法字符: '\u2019'
     if(s.charAt(0)-’a’ > max) max = s.charAt(0)-’a';    
                                                 ^
0_0_22203873_1024\Main.java:25: 错误: 未结束的字符文字
     if(s.charAt(0)-’a’ > max) max = s.charAt(0)-’a';    
                                                   ^
0_0_22203873_1024\Main.java:25: 错误: 不是语句
     if(s.charAt(0)-’a’ > max) max = s.charAt(0)-’a';    
                                                  ^
0_0_22203873_1024\Main.java:27: 错误: 非法字符: '\u2018'
      if(s.charAt(i) >= ‘a’ && s.charAt(i) <= ‘z’)    
                        ^
0_0_22203873_1024\Main.java:27: 错误: 非法字符: '\u2019'
      if(s.charAt(i) >= ‘a’ && s.charAt(i) <= ‘z’)    
                          ^
0_0_22203873_1024\Main.java:27: 错误: 不是语句
      if(s.charAt(i) >= ‘a’ && s.charAt(i) <= ‘z’)    
                         ^
0_0_22203873_1024\Main.java:27: 错误: 非法字符: '\u2018'
      if(s.charAt(i) >= ‘a’ && s.charAt(i) <= ‘z’)    
                                              ^
0_0_22203873_1024\Main.java:27: 错误: 不是语句
      if(s.charAt(i) >= ‘a’ && s.charAt(i) <= ‘z’)    
                                           ^
0_0_22203873_1024\Main.java:27: 错误: 非法字符: '\u2019'
      if(s.charAt(i) >= ‘a’ && s.charAt(i) <= ‘z’)    
                                                ^
0_0_22203873_1024\Main.java:27: 错误: 不是语句
      if(s.charAt(i) >= ‘a’ && s.charAt(i) <= ‘z’)    
                                               ^
0_0_22203873_1024\Main.java:29: 错误: 非法字符: '\u2019'
       if(max < s.charAt(i)-’a') max=s.charAt(i)-’a';   
                            ^
0_0_22203873_1024\Main.java:29: 错误: 未结束的字符文字
       if(max < s.charAt(i)-’a') max=s.charAt(i)-’a';   
                              ^
0_0_22203873_1024\Main.java:29: 错误: 不是语句
       if(max < s.charAt(i)-’a') max=s.charAt(i)-’a';   
                             ^
0_0_22203873_1024\Main.java:29: 错误: 非法字符: '\u2019'
       if(max < s.charAt(i)-’a') max=s.charAt(i)-’a';   
                                                 ^
0_0_22203873_1024\Main.java:29: 错误: 未结束的字符文字
       if(max < s.charAt(i)-’a') max=s.charAt(i)-’a';   
                                                   ^
0_0_22203873_1024\Main.java:29: 错误: 不是语句
       if(max < s.charAt(i)-’a') max=s.charAt(i)-’a';   
                                                  ^
0_0_22203873_1024\Main.java:40: 错误: 非法字符: '\u201c'
    System.out.print(“NODES “+(max+1)+” “);
                     ^
0_0_22203873_1024\Main.java:40: 错误: 需要';'
    System.out.print(“NODES “+(max+1)+” “);
                      ^
0_0_22203873_1024\Main.java:40: 错误: 非法字符: '\u201c'
    System.out.print(“NODES “+(max+1)+” “);
                            ^
0_0_22203873_1024\Main.java:40: 错误: 非法字符: '\u201d'
    System.out.print(“NODES “+(max+1)+” “);
                                      ^
0_0_22203873_1024\Main.java:40: 错误: 不是语句
    System.out.print(“NODES “+(max+1)+” “);
                                     ^
0_0_22203873_1024\Main.java:40: 错误: 非法字符: '\u201c'
    System.out.print(“NODES “+(max+1)+” “);
                                        ^
0_0_22203873_1024\Main.java:40: 错误: 需要';'
    System.out.print(“NODES “+(max+1)+” “);
                                         ^
0_0_22203873_1024\Main.java:41: 错误: 非法字符: '\u201c'
    System.out.println(“EDGES “+count/2);
                       ^
0_0_22203873_1024\Main.java:41: 错误: 需要';'
    System.out.println(“EDGES “+count/2);
                        ^
0_0_22203873_1024\Main.java:41: 错误: 非法字符: '\u201c'
    System.out.println(“EDGES “+count/2);
                              ^
0_0_22203873_1024\Main.java:41: 错误: 不是语句
    System.out.println(“EDGES “+count/2);
                               ^
0_0_22203873_1024\Main.java:41: 错误: 需要';'
    System.out.println(“EDGES “+count/2);
                                       ^
41 个错误