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<>1. 快捷键
Ctrl + / 注释/解除注释
Ctrl + R 替换文本
Ctrl + F 查找文本
Ctrl + X 删除行,光标移动到下一行行首
Ctrl + D 复制行,光标移动到新行的相同位置
Ctrl + Shift + U 大小写转化
Ctrl + Alt + L 格式化代码
Ctrl + Alt + T 可以将代码包在一块内,例如try/catch
Ctrl + Shift + n 在idea中知道类名,查找类,展示类,快速查找某个类或方法在整个项目中的位置
<>2. 快速生成代码结构
sout
sout + 回车 System.out.println(); soutf + 回车 System.out.println(""); # 自定义 soutf
:file —> setting —> Editor —> LiveTemplates —> output —> 右边【+】号新增一个快捷词, #
填写Abbreviation 和 Template text后增加一下适用的环境为Applicable in java,保存可生效 soutv + 回车
System.out.println("args = " + args); soutp + 回车 System.out.println("args = ["
+ args + "]");
psvm
public static void main(String[] args) { }
fori + 回车 生成for循环,光标在变量上,此时可更改变量名称
for (int i = 0; i < ; i++) { }
iter 生成foreach循环
for (String arg : args) { }
itit + 回车 生成迭代器的while循环
while (iterator.hasNext()) { Object next = iterator.next(); }