Detailed explanation of the usage of java split and example code

public String[] split(String regex) default limit is 0

public String[] split(String regex, int limit)

When limit>0, n-1 is applied

 public static void main(String[] args) { String s = "boo:and:foo"; String[] str = s.split(":",2); System.out.print(str[0] + "," + str[1]); }

result:

boo,and:foo

When limit<0, unlimited times are applied

 public static void main(String[] args) { String s = "boo:and:foo"; String[] str = s.split(":",-2); for(int i = 0 ; i < str.length ; i++){ System.out.print(str[i] + " "); } }

result:

boo and foo

When limit=0, apply infinite times and omit the end empty string

 public static void main(String[] args) { String s = "boo:and:foo"; String[] str = s.split("o",-2); for(int i = 0 ; i < str.length ; i++){ if( i < str.length - 1) System.out.print("(" + str[i] + "),"); else System.out.print("(" + str[i] + ")"); } }

result:

(b),(),(:and:f),(),(),()

 public static void main(String[] args) { String s = "boo:and:foo"; String[] str = s.split("o",0); for(int i = 0 ; i < str.length ; i++){ if( i < str.length - 1) System.out.print("(" + str[i] + "),"); else System.out.print("(" + str[i] + ")"); } }

result:

(b),(),(:and:f)

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