Arraylist to string

Java arraylist to string

ArrayList<String> al = new ArrayList<String>();
      al.add("Hello");
      al.add("Wor");
      al.add("ld");
      StringBuffer sb = new StringBuffer();
      
      for (String s : al) {
         sb.append(s);
         sb.append(" ");
      }
      String str = sb.toString();
      System.out.println(str);//"Hello wor ld"

Source: grepper.com

Java string array to arraylist

new ArrayList( Arrays.asList( new String[]{"abc", "def"} ) );

Source: stackoverflow.com

Similar codes

0 vote114 views1 answer
How to print a list in string form java
Java
4 votes148 views1 answer
How to change theme of app in android studio programmatically
Java
1 vote152 views1 answer
How to see list of java of versions in mac
Java
0 vote153 views1 answer
Java Program to find the perimeter of the circle
Java
0 vote155 views1 answer
Java initialize dynamic array of boolean
Java
0 vote143 views2 answers
Java print 2d array row and column
Java
11 votes181 views2 answers
Java sleep in code
Java
0 vote161 views1 answer
Java stringbuilder setcharat
Java
0 vote141 views1 answer
Exception in thread "main" java.lang.numberformatexception: for input string: ""
Java
1 vote162 views2 answers
Komplettes array ausgeben java
Java