Java replaceAll不区分大小写

Java 中replaceAll如何疏忽大小写呢?
方法一:在正则表达式前面添加(?i)

@Test
public void test_replaceAll1() {
	String input = "I like Java,jAva is very easy and jaVa is so popular.";
	String replacement = "cccc";

	System.out.println(input);
	System.out.println(input.replaceAll("(?i)java", replacement));
}@Test