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public class TestClass{
public static void main(String args[]){
VarArgs(1, "one");
VarArgs(2, "one", "two");
VarArgs(3, "one", "two", "three");
VarArgs(0); // Attention!
}
static void VarArgs(int nRequired, String... trailing){
System.out.print("Required: " + nRequired + " ");
for (String s : trailing)
System.out.print(s + " ");
System.out.println();
}
}
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public class Foo {
static void operate(StringBuffer x,StringBuffer y){
x.append(y);
y=x;
}
public static void main(String args[]){
StringBuffer a = new StringBuffer("A");
StringBuffer b = new StringBuffer("B");
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