Liigu peamise sisu juurde

Tingimuslause

Lihtne tingimuslause​

Python​

if boolean_condition:
    do_something_if_true()

Java​

if (booleanCondition) {
    doSomethingIfTrue();
}

if-else​

Python​

if boolean_condition:
    do_something_if_true()
else:
    do_something_else()

Java​

if (booleanCondition) {
    doSomethingIfTrue();
} else {
    doSomethingElse();
}

if-elseif-else​

Python​

if boolean_condition:
    do_something_if_true()
elif some_other_condition:
    do_some_other_thing()
else:
    do_something_else()

Java​

if (booleanCondition) {
    doSomethingIfTrue();
} else if (otherCondition) {
    doSomeOtherThing();
} else {
    doSomethingElse();
}

Switch-case​

Python​

month = 2

match month:
    case 1:
        month_string = "January"
        break
    case 2:
        month_string = "February"
        break
    case 3:
        month_string = "March"
        break
    case _:
        month_string = "Invalid"
        break

print(month_string) # February

Java​

int month = 2;
String monthString;

switch (month) {
    case 1:
        monthString = "January";
        break;
    case 2:
        monthString = "February";
        break;
    case 3:
        monthString = "March";
        break;
    default:
        monthString = "Invalid";
        break;
}

System.out.println(monthString); // February

Ternary operator​

Python​

>>> "true" if True else "false"
'true'
>>> 'true' if False else 'false'
'false'

Java​

jshell> true ? "true" : "false"
$1 ==> "true"
jshell> false ? "true" : "false"
$2 ==> "false"

Tõeväärtus​

Python​

a = True
b = False

Java​

boolean a = true;
boolean b = false;

Tõeavaldised​

Python​

a and b
a or b
not a

Java​

a && b
a || b
!a