matches() :
package stringMethods2;
public class Matches {
public static void main(String[] args) {
String str = "Welcome to my hood";
System.out.println(str.matches("(.*)my(.*)"));
System.out.println(str.matches("(.*)my"));
System.out.println(str.matches("my(.*)"));
System.out.println(str.matches("Welcome(.*)"));
}
}
regionMatches() :
package stringMethods2;
// public boolean regionMatches(int toffset, String other, int ooffset, int len)
// or
// regionMatches(boolean ignoreCase,int toffset,String other,int ooffset,int len)
public class regionMatches {
public static void main(String[] args) {
String str = "Welcome to my hood";
String str2 = "to";
String str3 = "TO";
System.out.println(str.regionMatches(8
, str2
, 0, 2));
System.out.println(str.regionMatches(8
, str3
, 0, 2));
System.out.println(str.regionMatches(true, 8, str3, 0, 2));
}
}
replace() :
package stringMethods2;
// public String replace(char oldChar,char newChar)
public class replace {
public static void main(String[] args) {
String str1 = "Welcome to my tutorial";
System.out.println(str1.replace('m', 'X'));
}
}
replaceAll() :
package stringMethods2;
// public String replaceAll(String regex,String replacement)
public class replaceAll {
public static void main(String[] args) {
String str1 = "welcome to my hood";
System.out.println(str1.replaceAll("(.*)to(.*)", "ReplacedString"));
System.out.println(str1.replaceAll("to(.*)", "ReplacedString"));
System.out.println(str1.replaceAll("(.*)to", "ReplacedString"));
}
}
replaceFirst() :
package stringMethods2;
public class ReplaceFirst {
public static void main(String[] args) {
String name = "Welcome to my hood";
System.out.println(name.replaceFirst("hood", "replacementString"));
}
}
split() :
package stringMethods2;
// public String[] split(String regex,int limit)
// or
// public String[] split(String regex)
public class split {
public static void main(String[] args) {
String str1 =new String( "Welcome to-my hood");
//System.out.println(str1.split("-"));
//System.out.println(str1.split("-",5)); It gives the reference code
for (String string : str1.split("-")) {
System.out.println(string);
}
System.out.println("\n----------------\n");
for(String string2 : str1.split("o", 4)){
System.out.println(string2);
}
}
}
startsWith() :
package stringMethods2;
// public boolean startsWith(String prefix,int toffset)
// or
// public boolean startsWith(String prefix)
public class startsWith {
public static void main(String[] args) {
String str = "Welcome to my hood";
System.out.println(str.startsWith("Welcome"));
System.out.println(str.startsWith("welcome"));
System.out.println(str.startsWith("Welcome",0));
System.out.println(str.startsWith("Welcome",1));
}
}
subSequence() :
package stringMethods2;
// public CharSequence subSequence(int beginIndex,int endIndex)
public class subSequence {
public static void main(String[] args) {
String name = "honey bunny";
System.out.println(name.subSequence(2, 10));
}
}
subString() :
package stringMethods2;
// public String substring(int beginIndex)
// or
// public String substring(int beginIndex,int endIndex)
public class subString {
public static void main(String[] args) {
String str = "Welcome to my hood"
;
System.out.println(str.substring(3));
System.out.println(str.substring(1, 11));
}
}
toCharArray() :
package stringMethods2;
// public char[] ToCharArray()
public class ToCharArray {
public static void main(String[] args) {
String str = new String("Welcome honey.com");
System.out.println(str.toCharArray());
}
}
toUppercase() / toLowercase() :
package stringMethods2;
// public String toLowerCase()
// or
// public String toLowerCase(Locale locale)
// public String toUpperCase()
// or
// public String toUpperCase(Locale locale)
public class toLowerAndUpperCase {
public static void main(String[] args) {
String name = "Bipen";
System.out.println(name.toLowerCase());
System.out.println(name.toUpperCase());
}
}
trim() :
package stringMethods2;
// publicString trim(
// It returns a copy of this string with leading and trailing white space removed, or this string if it
// has no leading or trailing white space.
public class trim {
public static void main(String[] args) {
String str = " Welcome to my hood. ";
System.out.println(str.trim());
}
}
valueOf() :
package stringMethods2;
// This method returns the string representation of the passed argument.
// static String valueOf(boolean b)
// static String valueOf(char c)
// static String valueOf(char[] data)
// static String valueOf(char[] data,int offset,int count)
// static String valueOf(double d)
// static String valueOf(float f)
// static String valueOf(int i)
// static String valueOf(long l)
// static String valueOf(Object obj)
public class ValueOf {
public static void main(String[] args) {
int a = 1;
double b = 2.0 ;
float c = 3f ;
boolean d = true;
char[] ch = {'a','s','d','f','g','h','j','k','l'};
System.out.println(String.valueOf(a));
System.out.println(String.valueOf(b));
System.out.println(String.valueOf(c));
System.out.println(String.valueOf(d));
System.out.println(String.valueOf(ch));
}
}
