Java If...else if...else StatementsThe If statement can be followed by a elseif...else statement, which detects a variety of possible scenarios.When using the If,else if,else statement, the following points need to be noted:
The IF
If-else statementcontrol Condition Branch.Grammar
if (expression)
statement1
[else
Statement2]
NoteIf the value of the expression is Non-zero, the statement1 is executed. If the option else exists, Statement2 is executed if the
Java Branching Structure-if...else/switchSequential structures can only be executed sequentially, not judged and chosen, so branching structures are required.There are two types of branching structures in Java:
if statement
Switch
If statementAn If statement contains a Boolean expression and one or more statements.GrammarThe syntax for the IF statement is as follows:if (Boolean expression){If the Boolean expression is true, the statement executed}If the value of the Boolean
Branch statements:if else if else; switch case--How to use if else if else:Console.WriteLine ("Please Punch");--Output "please punch"int a = Convert.ToInt32 (Console.ReadLine ());--Define a variable aRandom i = new random ();--Random numberint x = I.
If statementAn If statement contains a Boolean expression and one or more statements.GrammarThe syntax for the IF statement is as follows:if (Boolean expression){If the Boolean expression is true, the statement executed}If the value of the Boolean
First, If...else statement
If...else statement
Executes a piece of code when the condition is set, and executes another piece of code when the condition is not established
Grammar:
1. Simple condition
if (condition) {
......
}
else{
......
Conditional statement, which is a kind of statement that chooses to execute according to the condition in the program, the difficulty lies in how to abstract the condition accurately in the actual use of such statement. For example, to implement the
First, If...else statement
If...else statement
Executes a piece of code when the condition is set, and executes another piece of code when the condition is not established
Grammar:
1. Simple condition
if (condition) {......}else{......}
Cases
First, Process Control OverviewProcess Control of the program-Program = data + algorithm-Any complex program algorithm can be implemented by "order", "branch", "Loop" three basic program logic combinations650) this.width=650; "src="
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