if-else语句 if-else-if ladder if-else-if梯子 nested if statement 嵌套if语句 (if Statement) The if statement is a single conditional based statement that executes only if the provided condition is true. if语句是一个基于条件的语句,仅在提供的条件为true时才执行。 If Statement Syntax: 如果语句语...
or if (condition) statement1; else statement2; 1. 2. 3. 4. 例如,考虑以下if-else语句: if (x > y) { max = x; } else { max = y; } 1. 2. 3. 4. 5. 6. 7. 8. 该语句可以使用条件运算符重写如下: max = (x > y) ? x : y; 1. END 开发人员可以使用条件AND运算符来确定...
if (condition) statement1 else statement2 例如: if(youSales >=target){ performance= "Satisfactory"; bonus= 100; }else{ performance= "Unsatisfactory"; bonus= 0; } 其中else部分是可选的,else字句与 最邻近的if构成一组。所以,在重复的交替出现 if...else...if...时,用一对括号将会使代码更加清...
Use the if statement to specify a block of Java code to be executed if a condition is true.SyntaxGet your own Java Server if (condition) { // block of code to be executed if the condition is true } Note that if is in lowercase letters. Uppercase letters (If or IF) will generate ...
Use theelse ifstatement to specify a new condition if the first condition isfalse. SyntaxGet your own Java Server if(condition1){// block of code to be executed if condition1 is true}elseif(condition2){// block of code to be executed if the condition1 is false and condition2 is true...
Using the example above to check the age of the user, the If-Else statement would be constructed like this: Public static void main(String[ ] args) { Int userAge = 18; If (userAge <= 18) { System.out.println(“User is 18 or younger”); ...
a)if语句b)嵌套if语句c)if-else语句d)if-else-if语句if语句if语句包含条件,后跟语句或一组语句,如下所示:if(condition){ Statement(s); } Java Copy只有在给定条件为真时才会执行语句。如果条件为false,那么if语句体内的语句将被完全忽略。if语句的示例...
5. Using Ternary Operator to Replace Simpleif-else We can also use theternary operatorinstead of a simpleif-elsestatement to make the code more concise and readable. Consider a simpleif-elsestatement that checks if a number is greater than or less than a value, and stores the value in a...
1.if条件语句 常见问题与易错点: 忘记大括号:单行if语句如果没有使用大括号,只会影响该行,可能导致逻辑错误。例如: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 if(condition)statement; 如果你想让多行代码块受if控制,记得加上大括号: 代码语言:javascript ...
break; case 8: if (((xOne == 0 && yOne == 8) || (xTwo == 0 && yTwo == 8))) System.out.println(i + " *"); break; case 9: if (((xOne == 0 && yOne == 9) || (xTwo == 0 && yTwo == 9))) System.out.println(i + " *"); ...