Class FooBar
- java.lang.Object
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- g1101_1200.s1115_print_foobar_alternately.FooBar
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public class FooBar extends Object
1115 - Print FooBar Alternately.Medium
Suppose you are given the following code:
class FooBar { public void foo() { for (int i = 0; i < n; i++) { print(“foo”); } } public void bar() { for (int i = 0; i < n; i++) { print(“bar”); } } }
The same instance of
FooBar
will be passed to two different threads:- thread
A
will callfoo()
, while - thread
B
will callbar()
.
Modify the given program to output
"foobar"
n
times.Example 1:
Input: n = 1
Output: “foobar”
Explanation: There are two threads being fired asynchronously. One of them calls foo(), while the other calls bar(). “foobar” is being output 1 time.
Example 2:
Input: n = 2
Output: “foobarfoobar”
Explanation: “foobar” is being output 2 times.
Constraints:
1 <= n <= 1000
- thread
-
-
Constructor Summary
Constructors Constructor Description FooBar(int n)
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Method Detail
-
foo
public void foo(Runnable printFoo) throws InterruptedException
- Throws:
InterruptedException
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bar
public void bar(Runnable printBar) throws InterruptedException
- Throws:
InterruptedException
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