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java:control_structures:if [2013/04/09 10:52] 88.74.72.132 [if] |
java:control_structures:if [2024/02/16 01:03] (current) |
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check if a condition is true or false | check if a condition is true or false | ||
- | ===== example of if ===== | + | ===== example of if in java ===== |
<code java> | <code java> | ||
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fahrenheit = celsius * 1.8 + 32; | fahrenheit = celsius * 1.8 + 32; | ||
System.out.println(celsius + "° Celsius are " + fahrenheit + "° Fahrenheit"); | System.out.println(celsius + "° Celsius are " + fahrenheit + "° Fahrenheit"); | ||
- | } else { | + | } |
- | + | ||
- | System.out.println("invalid Celsius Value "); | + | |
- | } | + | |
} | } | ||
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</code> | </code> | ||
+ | |||
+ | |||
+ | === a other example === | ||
+ | <code java> | ||
+ | if ( (name == "meier" || name == "müller") && place =="hamburg" ) { | ||
+ | //if the name meier or müller & the place hamburg | ||
+ | } | ||
+ | if (! ( (name == "meier" || name == "müller") && place =="hamburg" ) ) { | ||
+ | //if the name not meier or müller & the place not hamburg | ||
+ | } | ||
+ | </code> | ||
+ | |||
=== output if === | === output if === |