✓The methods of Vector are synchronised.
✓ Vector is a thread safe class.
✓ Vector is introduced in JDK 1.0 and it is a legacy/old class.
Properties of vector:
✓ Insertion order is preserved
✓ Indexd type of collection
✓ Multiple null values are allowed
✓ Duplicates are allowed.
ex:
class Vector{
public static void main (String[ ] args){
Vector v=new Vector();
v.add("java");
v.add("sql");
v.add(10);
v.add(10);
for(int i=0;i<v.size();i++){
System.out.println(v.get(i));
}
}
}
Output:
java
sql
10
10