21 lines
604 B
Java
21 lines
604 B
Java
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import java.util.*;
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class SetTest1{
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public static void main(String []args) {
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String string1= "ABFED";
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String string2= "AFBHI";
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Set<Character> set1 = string2CharSet(string1);
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set1.retainAll(string2CharSet(string2));
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System.out.println(set1.toString());
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}
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private static Set<Character> string2CharSet(String s1) {
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Set<Character> set1=new HashSet<Character>();
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Character[] cha1 = s1.chars().mapToObj(c -> (char) c).toArray(Character[]::new);
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set1.addAll(Arrays.asList(cha1));
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return set1;
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}
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}
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