Reverse SetCharAt SetLength SubSequence SubSequenceFormatted Substring ToString TrimToSize Explicit Interface Implementations StringBuilder StringIndexOutOfBoundsException SuppressWarnings SuppressWarningsAttribute Thread Thread.IUncaughtExceptionHandler Thread.State ...
String类是不可变类,即一旦一个String对象被创建后,包含在这个对象中的字符序列是不可改变的,直至这个对象销毁。 StringBuffer类则代表一个字符序列可变的字符串,可通过append、insert、reverse、setChartAt、setLength等方法改变其内容。一旦生成了最终的字符串,调用toString方法将其转变为String StringBuffer:JDK1.0开始 ...
//string排序 importjava.util.Arrays;importjava.util.Scanner;importjava.math.*;publicclassMain {publicstaticvoidmain(String[] args) {//TODO Auto-generated method stubScanner cin =newScanner(System.in);String str=cin.nextLine();chararr[] =str.toCharArray();Arrays.sort(arr);str=newString(arr);...
Let n be the character length of this character sequence (not the length in char values) just prior to execution of the reverse method. Then the character at index k in the new character sequence is equal to the character at index n-k-1 in the old character sequence. Note that the ...
java中public StringBuffer reverse()是什么意思？java中public StringBuffer reverse()是什么意思？将此...
StringBufferStringBuffer.reverse() Methods injava.langwith parameters of typeStringBuffer Modifier and TypeMethod and Description StringBuilderStringBuilder.append(StringBuffersb) Appends the specifiedStringBufferto this sequence. StringBufferStringBuffer.append(StringBuffersb) ...
reverse()是属于类StringBuffer的一个方法 你在使用StringBuffer这个类之前要先导入他的类库。在代码顶部，package语句下面加一句话：import java.lang.StringBuffer;
java.lang.String类用于描述字符串,Java程序中所有的字符串字面值都可以使用该类的对象加以描 述,如:"abc"。 String 不能被继承 该类由final关键字修饰,表示该类不能被继承。 底层由byte[]存储数据 从jdk1.9开始该类的底层不使用char[]来存储数据,而是改成 byte[]加上编码标记,从而节约了一 些空间。
Java.Beans Java.Interop Java.Interop.Expressions Java.Interop.Tools.JavaCallableWrappers Java.IO Java.Lang Java.Lang AbstractMethodError AbstractStringBuilder ArithmeticException ArrayIndexOutOfBoundsException ArrayStoreException AssertionError Boolean BootstrapMethodError Byte Character Character.Subset Character.Unicod...
例如：String str = "abcdefg"; StringBuffer sb = new StringBuffer(str); sb = sb.reverse(); ...