Question: In-Class Exercise 4: Show the stack contents at each step for the above two examples Here's the program: import java.util.*; public class ParenBalancing3 public static

In-Class Exercise 4: Show the stack contents at each step for the above two examples Here's the program: import java.util.*; public class ParenBalancing3

In-Class Exercise 4: Show the stack contents at each step for the above two examples Here's the program: import java.util.*; public class ParenBalancing3 public static void main (String[ 1 argv) // Test 1. String s = "([()])". checkParens (s); Test 2. checkParens (s); // Test 3 checkParens (s); Test 4. checkParens (s); static void checkParens (String inputstr) char[] letters - inputStr.toCharArray(); Stack stack new Stack ( ); boolean unbalanced Ialse for (int i-0; i

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