[填空题] 本题是判断一个字符串“Tom”是否在另外一个字符串“I am Tom, I am from China”中出现。 public class java1 public static vo

[填空题] 本题是判断一个字符串“Tom”是否在另外一个字符串“I am Tom, I am from China”中出现。

public class java1

public static void main(String[]args)

______;

str1="I am Tom, I am from China.";

str2="Tom";

int i=______;

if(______)

System.out.println("""+str2+"" is in the string:""+str1+""");

else

System.out.println("""+str2+""is not in the string:""+str1+""");