Switch Case Java Example String
Each case is followed by the value to be compared to and a colon.
Switch case java example string. Switch case statement is used when we have number of options or choices and we may need to perform a different task for each choice. The syntax of switch case statement looks like this switch variable or an integer expression case constant. Before java 7 the only means to achieve string based conditional flow was using if else conditions. Java switch case string example.
In order for the stringswitchdemo example to accept any month regardless of case month is converted to lowercase with the tolowercase method and all the strings associated with the case labels. The switch statement compares the string object in its expression with the expressions associated with each case label as if it were using the string equals method. The following rules apply to a switch statement the variable used in a switch statement can only be integers convertable integers byte short char strings and enums. The case statement should be string literal.
The string in the switch expression is compared with the expressions associated with each case label as if the string equals method were being used. The java compiler generates generally more efficient bytecode from switch statements that use. But java 7 has improved the switch case to support string also. Here i am providing a java program that shows the use of string in java switch case statements.
Using a switch case in java optimizes the readability of the code while working on multiple test expressions. Java switch with string with examples and topics on functional interface anonymous class lambda for list lambda for comparable default methods method reference java date and time java nashorn java optional stream filter etc. Java programming language has conditional and control statements which optimizes the logic while writing a program. The switch statement compares the string object in its expression with the expressions associated with each case label as if it were using the string equals method.
Hustle free logic building using the switch case results in improved efficiency. Java allows us to use strings in switch expression since java se 7. Java tutorial java home java intro java get started java syntax java comments java variables java data types java type casting java operators java strings java math java booleans java if else java switch java while loop java for loop java break continue java arrays java methods java methods java method parameters java method overloading java. Consequently the comparison of string objects in switch statements is case sensitive.