
public final class Preconditions

Contains common assertions.

Modifier and Type	Method	Description
`static void`	`checkArgument(boolean expression, @NonNull() String message)`
`static <T> T`	`checkNotNull(@Nullable() T arg)`
`static <T> T`	`checkNotNull(@Nullable() T arg, @NonNull() String message)`
`static String`	`checkNotEmpty(@Nullable() String string)`
`static <T extends Collection<Y>, Y> T`	`checkNotEmpty(@NonNull() T collection)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 static void checkArgument(boolean expression, @NonNull() String message)

@NonNull() static <T> T checkNotNull(@Nullable() T arg)

@NonNull() static <T> T checkNotNull(@Nullable() T arg, @NonNull() String message)

@NonNull() static String checkNotEmpty(@Nullable() String string)

@NonNull() static <T extends Collection<Y>, Y> T checkNotEmpty(@NonNull() T collection)

Class Preconditions