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View Compilation Error

0_0_10500805_26461\Main.java:24: 不可转换的类型
找到: java.lang.Object
需要: char
			if(!stack.isEmpty()&&(char)stack.peek()==str2.charAt(j)){
			                                     ^
注意:0_0_10500805_26461\Main.java 使用了未经检查或不安全的操作。
注意:要了解详细信息,请使用 -Xlint:unchecked 重新编译。
1 错误


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