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View Compilation Error

0_0_22120415_1200\Main.java:36: 错误: 无法从静态上下文中引用非静态 变量 this
        line u = new line();
                 ^
0_0_22120415_1200\Main.java:37: 错误: 无法从静态上下文中引用非静态 变量 this
        line v = new line();
                 ^
0_0_22120415_1200\Main.java:74: 错误: 无法从静态上下文中引用非静态 变量 this
            point a = new point();
                      ^
0_0_22120415_1200\Main.java:75: 错误: 无法从静态上下文中引用非静态 变量 this
            point b = new point();
                      ^
0_0_22120415_1200\Main.java:76: 错误: 无法从静态上下文中引用非静态 变量 this
            point c = new point();
                      ^
0_0_22120415_1200\Main.java:77: 错误: 无法从静态上下文中引用非静态 变量 this
            point d = new point();
                      ^
0_0_22120415_1200\Main.java:86: 错误: 无法从静态上下文中引用非静态 变量 this
            point cir = new point();
                        ^
7 个错误


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