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/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
public class ChangeParam
{
	public static void main(String[ ] args)
	{
		int x = 1;
		double y = 3.4;
		System.out.println(x + “ “ + y);
		changeUs(x, y);
		System.out.println(x + “ “ + y);
	}
	public static void changeUs(int a, double b)
	{
		a = 0;
		b = 0.0;
		System.out.println(a + “ “ + b);
	}
}

Main.java:14: error: illegal character: '\u201c'
		System.out.println(x + ? ? + y);
		                       ^
Main.java:14: error: illegal character: '\u201c'
		System.out.println(x + ? ? + y);
		                         ^
Main.java:14: error: not a statement
		System.out.println(x + ? ? + y);
		                           ^
Main.java:14: error: ';' expected
		System.out.println(x + ? ? + y);
		                              ^
Main.java:16: error: illegal character: '\u201c'
		System.out.println(x + ? ? + y);
		                       ^
Main.java:16: error: illegal character: '\u201c'
		System.out.println(x + ? ? + y);
		                         ^
Main.java:16: error: not a statement
		System.out.println(x + ? ? + y);
		                           ^
Main.java:16: error: ';' expected
		System.out.println(x + ? ? + y);
		                              ^
Main.java:22: error: illegal character: '\u201c'
		System.out.println(a + ? ? + b);
		                       ^
Main.java:22: error: illegal character: '\u201c'
		System.out.println(a + ? ? + b);
		                         ^
Main.java:22: error: not a statement
		System.out.println(a + ? ? + b);
		                           ^
Main.java:22: error: ';' expected
		System.out.println(a + ? ? + b);
		                              ^
12 errors

Standard output is empty