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java_generics25.java
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36 lines (33 loc) · 924 Bytes
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import java.util.Arrays;
public class java_generics25<T> {
T[] data;
public java_generics25(int capacity) {
data = (T[]) new Object[capacity];
}
public void add(T item) {
for (int i = 0; i <= data.length-1; i++) {
if (data[i] == null) {
data[i] = item;
break;
}
}
}
public static void main(String[]args){
java_generics25<Integer> p1;
p1 = new java_generics25<>(5);
p1.add(1);
p1.add(2);
p1.add(3);
p1.add(4);
p1.add(5);
System.out.println(Arrays.toString(p1.data));
java_generics25<String> p2;
p2 = new java_generics25<>(5);
p2.add("A");
p2.add("B");
p2.add("C");
p2.add("D");
p2.add("E");
System.out.println(Arrays.toString(p2.data));
}
}