public final class StringUtils
extends Object

すべてのメソッド staticメソッド concreteメソッド
修飾子とタイプ	メソッド	説明
`static List<String>`	`addPluralSuffix(List<String> names)`
`static boolean`	`containsIgnoreCase(Collection<String> list, String str)`
`static boolean`	`equalsSetIgnoreCase(Collection<String> set1, Collection<String> set2)`
`static String`	`format(String msg, Object... params)`
`static String`	`toLowerCase(String str)`
`static String`	`toUpperCase(String str)`
`static String`	`toUpperSnakeCase(String compoundName)`	Given a field or class name in the form CompoundName (for classes) or compoundName (for fields) will return a set of guessed names such as [COMPOUND_NAME].

public static String toUpperCase(String str)

public static String toLowerCase(String str)

toUpperSnakeCase
```
public static String toUpperSnakeCase(String compoundName)
```
Given a field or class name in the form CompoundName (for classes) or compoundName (for fields) will return a set of guessed names such as [COMPOUND_NAME].

public static final List<String> addPluralSuffix(List<String> names)

public static boolean containsIgnoreCase(Collection<String> list,
                                         String str)

public static boolean equalsSetIgnoreCase(Collection<String> set1,
                                          Collection<String> set2)

public static String format(String msg,
                            Object... params)

クラス StringUtils