此方法返回一个整数,其符号是使用规范化版本的字符串调用 compareTo 的整数,其中通过调用 Character.toLowerCase(Character.toUpperCase(character)) 每个字符来消除大小写差异。 请注意,此方法不<<>考虑>区域设置,并且会导致某些区域设置的排序不尽如人意。 该 java.text.Collator 类提供区分区域设置的比较。 已在...
表示精度更高的浮点型,在java.math.BigDecimal包下,该类可以进行更高精度的浮点运算,BigDecimal可以描述比Double还要高的精度,所以在转换为基本类型时,可能会丢失精度; BigDecimal的使用:创建一个BigDecimal实例,可以使用构造方法BigDecimal(String numberFormatString) 用字符串描述一个浮点数作为参数传入; BigDecimal可以做加...
ignoreCase - if true, ignore case when comparing characters. toffset - the starting offset of the subregion in this string. other - the string argument. ooffset - the starting offset of the subregion in the string argument. len - the number of characters to compare. Returns: true if the...
1)public String toLowerCase()//返回将当前字符串中所有字符转换成小写后的新串 2)public String toUpperCase()//返回将当前字符串中所有字符转换成大写后的新串 String str = new String("asDF"); String str1 = str.toLowerCase();//str1 = "asdf" String str2 = str.toUpperCase();//str2 = "A...
Java-String类的常用方法总结 一、String类 String类在java.lang包中,java使用String类创建一个字符串变量,字符串变量属于对象。java把String类声明的final类,不能有类。String类对象创建后不能修改,由0或多个字符组成,包含在一对双引号之间。 二、String类对象的创建...
IGNORE: ignores the error and continues to run the command. Return value description Returns a UTF-8 encoded STRING type string. If an input parameter is null or an empty string, the return value is determined by the following rules: If an input parameter is null, null is returned. If ...
Namespace: Java.Lang Assembly: Mono.Android.dll Compares this String to another String, ignoring case considerations. C# Copy [Android.Runtime.Register("equalsIgnoreCase", "(Ljava/lang/String;)Z", "")] public bool EqualsIgnoreCase (string? anotherString); Parameters anotherString String The ...
Namespace: Java.Lang Assembly: Mono.Android.dll Compares this String to another String, ignoring case considerations. C# Copy [Android.Runtime.Register("equalsIgnoreCase", "(Ljava/lang/String;)Z", "")] public bool EqualsIgnoreCase (string? anotherString); Parameters anotherString String The ...
The java.text package provides collators to allow locale-sensitive ordering. Parameters: str - the String to be compared. Returns: a negative integer, zero, or a positive integer as the the specified String is greater than, equal to, or less than this String, ignoring case considerations....
Case mapping is based on the Unicode Standard version specified by the java.lang.Character Character class. The Java language provides special support for the string concatenation operator ( + ), and for conversion of other objects to strings. For additional information on string ...