The requirement that when one process is in a critical section that accesses shared resources, no other process may be in a critical section that accesses any of those shared resources is ________

When an event occurs, any delegate that a client has given or passed to the event is invoked.

Answer the following statement true (T) or false (F)

String sentence;String str1, str2, str3, str4;int length1;sentence = "First exam is on Monday.";str1 = sentence.substring(6, 12);str2 = str1.substring(0, 4);str3 = sentence.replace('i', '#');str4 = sentence.indexOf("on");length1 = sentence.length();Based on the code above, what is the value of str2?

A. Firs B. First C. Monda D. exam