NOT of a Condition

Simple Tests

Equal Strings

Equal Numbers

Comparing Numbers

Checking for a Substring

AND of two Conditions

OR of two Conditions

NOT of a Condition

Checking for a Prefix

Checking for a Suffix

!

There are several logical operators:

&&
||
!
^

We can invert a condition using NOT !

Which countries do not have an "a" in the name.

.

static void oneLine(String name, String region, int area, long pop, long gdp) { if (!name.contains("a")) { System.out.printf("%-25s %-20s\n", name,region); } }

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test text