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📜  java netbeans textfield only numbers - Java 代码示例

📅  最后修改于: 2022-03-11 14:52:02.439000             🧑  作者: Mango

代码示例1
//Use in swing java key type and write this
char c = evt.getKeyChar();
        if(!Character.isDigit(c)){
            evt.consume();
        }