错误信息 "operator '>' cannot be applied to 'java.lang.string', 'java.lang.string'" 表明你尝试在Java中使用大于(>)操作符来比较两个字符串(java.lang.String 类型的对象)。然而,在Java中,字符串是不可直接进行数学比较(如大于、小于)的,因为这些操作符是为数值类型设计的。
你需要吧X1转一下类型转为int型的；error： operator * cannot be applied to int,java.lang.String 报错意思就是不能把String转换为int型；建议你用Eclipse工具别自己在javac啦太低级啦
x2=10*Integer.parseInt(x1);//这样就好了.
I dunno what to do. I get the following error: operator cannot be applied to java.lang.string int public void actionPerformed(ActionEvent e) { if(e.getActionCommand().equals("Celsius")) { C = JOptionPane.showInputDialog
Hi I'm not really good in coding because I'm kinda noob. Can you guys help me? I'm getting this error and can yall fix it? String txtQty = "" ; Int y = 15; If (txtQty
13 Years Ago The reason for that error is not hard to determine: the operator < can only be applied to numeric types. String is a class, a String is an object, they can't be compared in this way. You want the compareTo() method. Read up on Comparable if you're...
Bug Report Code does not compile. 🔎 Search Terms "Operator '+' cannot be applied to types". 🕗 Version & Regression Information 4.7.4 💻 Code const foo = { foo: 123, bar: 'bar' }; for (const k of ['foo', 'bar'] as const) { const val = foo[...
Operator '+' cannot be applied to types 'string | number | symbol' and 'number'. Owner johnsoncodehk commented May 28, 2021 Make sure developers is not any type, otherwise index is string | number | symbol type in expected. johnsoncodehk closed this as completed May 28, 2021 johnson...
int x = string.Compare(Label2.Text,Label3.Text); if (x>=1) {//do somthing}That will work fineConsider this example,you have a two dates as07/03/2010 and 7/3/2010, your code will fail.so, when it is a date, its always advisable to compare them as dates...
当在写代码时,遇到不符合规范Operator '==' cannot be applied to 'long', 'null' 例如: 这个问题是因为groupId是基本类型long,不是包装类型Long,所以不能为空,把long 改为Lon