2.5转义序列

转移序列是用于向设备或程序发送指令的字符序列，这种序列以反斜杠（)起始，该字符叫做转移字符，转义序列不仅可用于文本格式化，而且可用于特殊目的。

        System.out.println("Linefeed: \nlearning java");
        System.out.println("single quote: \'learning java\'");
        System.out.println("double quote: \"learning java\"");
        System.out.println("backslash: \\learning java\\");
        System.out.println("制表符: learning\t java");
        System.out.println("退格: learning\b java");
        System.out.println("回车: \nlearning\r java");
/*
Linefeed: 
learning java
single quote: 'learning java'
double quote: "learning java"
backslash: \learning java\
制表符: learning     java
退格: learnin java
回车: 
 java
*/