Java basic programming _2.Java basic grammar (lower)

Program flow control

 

 A sequence structure

 

Second, the branch statement

　　1. if-else structure

 

 

 

 

 

 

 

 

 

 

 

 

　　2.switch-case structure

 

 

 

 

 

 

 

 

 

 

 

 

 

 Third, the loop structure

 

 

　　　1: for loop

 

 

 

 

 

 

 

 　　2: while loop

 

 

 

 　　3: do-while loop

 

 

 

 

 

 

 

 

 　　4: nested loop

 

 　　5: the use of special keywords --break, continue