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"convert string to arraylist
import java.util.ArrayList;
import java.util.List;
import java.util.Arrays;
public class JavaExample {
public static void main(String args[]){
String num = "22,33,44,55,66,77";
String str[] = num.split(",");
List<String> al = new ArrayList<String>();
al = Arrays.asList(str);
for(String s: al){
System.out.println(s);
}
}
}Copyright © 2021 Codeinu
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