/* 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. */
class Ideone
{
static void test_1() {
ArrayList
<Integer
> list
= new ArrayList
<>( Arrays.
asList( 1,
2,
3,
4,
5,
6,
7,
8,
9,
10 ) );
if (i > 10)
list.remove(i);
System.
out.
println( "test_1 success: " + list
); }
static void test_2() {
ArrayList
<Integer
> list
= new ArrayList
<>( Arrays.
asList( 11,
12,
13,
14 ) );
if (i > 10)
list.remove(i);
System.
out.
println( "test_2 success: " + list
); }
{
test_1();
try {
test_2();
System.
out.
println( "test 2 failed: " + ex
); }
}
}
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
test_1 success: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
test 2 failed: java.util.ConcurrentModificationException