Java_ Statement _ Basic Summary

Java programs are composed of statements. Statements are divided into:

1 declaration statements: usually used for declaring variables, arrays, and naming them, and sometimes assigning an initial value;

Ex:int A;

int a=0;

int [] b=new int[n];(N represents the number of elements in the array)

2 An assignment statement assigns a value to a variable after an operation;

ex:a=1+1;

3 conditional statements execute different two codes according to the conditions, and the structure is usually

if (judging condition) {

Executes the code in this case when the judging condition is true

}else{

Execute the code in this case when the judging condition is false

};

4 loop statements repeatedly execute code as long as the condition is true;

EX while (a<5) {

a++;

}

for (int a=0;a<5;a++) {

a++;

} (where a<5 is the condition that jumps out of the loop)

You can also use continue to skip a loop and jump out of the loop with a break.

5 Call and return statements;

Java_ Statement _ Basic Summary