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View Compilation Error

0_0_13354015_27506\Main.java:13: 方法声明无效;需要返回类型
	public jiaodian(double x1, double y1, double x2, double y2) {
	       ^
0_0_13354015_27506\Main.java:20: 方法声明无效;需要返回类型
	public jiaodian() {
	       ^
2 错误


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