[Java Learning note]java The escape character of the basic overview of the language &break&continue

1. Escape character

\ t: Tab

\ n: Enter

\b: Backspace

\ r: Enter

\ ": Double quotation marks

\ \: Backslash (commonly used in the writing of file paths)

The carriage return character in Windows system is actually composed of two symbols, \ r \ n

The return character in the Linux system is \ n

2.break&continue

Break (Jump) statement: The application scope is the selection structure (switch statement) and the loop structure

continue (continuation) statement: Apply to Loop structure

Attention:

1. It makes no sense for these two statements to leave the scope of the application, and the compilation will error.
2. These two statements exist individually and cannot have statements, because they cannot be executed. General use if judgment.
3. The continue statement is to end the loop and go to the next loop.
4. The appearance of the designator allows the scopes specified by the two statements to be scoped.
5. The break statement is the selection or loop structure in which to jump out.

Jump out of the outer loop with the label (with continue):

A:for (int i = 0; i<3:i++) {//A is the label of the outer loop    B: for (int j = 0; J <3; J + +) {

        System.out.println ("Hello World");         // Break ; // default bounce inside loop         Break A; // jump out of the outer loop     }}

[Java Learning note]java The escape character of the basic overview of the language &break&continue