compareTo(String),equalsIgnoreCase(String) contentEquals public booleancontentEquals(StringBuffersb) 将此字符串与指定的StringBuffer比较。当且仅当此String与指定StringBuffer表示相同的字符序列时,结果才为true。 参数: sb- 要与此String比较的
HtmlToPdfObject; public class PdfDemo { public static void main(String[] args) { urlToPdf(); } /** * 根据Html转换为pdf文件 支持多个str */ private static void htmlToPdf() { String str=" \n" + " Html To PDf 测试\n" + " 支持文字图片表格\n" + "\t\t \n" + " "; String ...
Append the letter k or K to indicate kilobytes, m or M to indicate megabytes, g or G to indicate gigabytes. The young generation region of the heap is used for new objects. GC is performed in this region more often than in other regions. If the size for the young generation is too ...
importjava.util.Calendar;importjava.util.Locale;publicclassTestFormat{publicstaticvoidmain(String[]args){long n=461012;System.out.format("%d%n",n);// --> "461012"System.out.format("%08d%n",n);// --> "00461012"System.out.format("%+8d%n",n);// --> " +461012"System.out.format(...
(str3); //结果为"efgh" alert(str4); //结果为"cdefg" alert(str5); //结果为"fg" x.replace(findstr,tostr) --- 字符串替换 x.split(); ---分割字符串 var str1="一,二,三,四,五,六,日"; var strArray=str1.split(","); alert(strArray[1]);//结果为"二" x.concat(addstr) ...
String toLowerCase():将字符串中所有的英文字母全部变为小写 String toUpperCase():将字符串中所有的英文字母全部变为大写 String trim():将字符串中两端的多余空格进行删除 String replace(char oldCh,char newCh):将字符串中oldCh字符替换成newCh字符 ...
2. Replace All Occurrences of a Character The following Java program replaces all occurrences of the letter ‘o’ (lower case) with the letter ‘O’ (upper case). Stringmessage="Hello world !!";Assertions.assertEquals("HellO wOrld !!",message.replace('o','O')); ...
String(byte[] bytes,StringcharsetName) 通过使用指定的charset解码指定的 byte 数组,构造一个新的String。 String(char[] value) 分配一个新的String,使其表示字符数组参数中当前包含的字符序列。 String(char[] value, int offset, int count) 分配一个新的String,它包含取自字符数组参数一个子数组的字符。
str.getChars(buf, len);returnnewString(buf,true); }/**将oldChar字符替换为newChar字符*/publicString replace(charoldChar,charnewChar) {if(oldChar !=newChar) {intlen =value.length;inti = -1;char[] val = value;/*avoid getfield opcode*/while(++i <len) {if(val[i] ==oldChar) {bre...
public static void main(String [] args) { try { URL url = new URL("https://www.nowcoder.com?page=1&size=30#top"); System.out.println("URL 为:" + url.toString()); System.out.println("协议为:" + url.getProtocol()); System.out.println("验证信息:" + url.getAuthority()); ...