c = b;
c = this.a;
c = this.b;
c = Q4a39.this.a;
c = c;
第1题:
Which statements can be inserted at the indicated position in the following code to make the program write 1 on the standard output when run?() public class Q4a39 { int a = 1; int b = 1; int c = 1; class Inner { int a = 2; int get() { int c = 3; // insert statement here return c; } } Q4a39() { Inner i = new Inner(); System.out.println(i.get()); } public static void main(String args[]) { new Q4a39(); } }
第2题:
Several @functions can execute multiple statements. Which one of the following initializes a variable and can increment in during the operation?()
第3题:
Which statements, when inserted at the indicated position in the following code, will cause a runtime exception when attempting to run the program?() class A {} class B extends A {} class C extends A {} public class Q3ae4 { public static void main(String args[]) { A x = new A(); B y = new B(); C z = new C(); // insert statement here } }
第4题:
Which two statements are true regarding subqueries? ()
第5题:
You developing a form module, and you would like to make an indicated window visible in a new display position. Which built-in can you use to accomplish this task?()
第6题:
SHOW_WINDOW
RESIZE_WINDOW
DISPLAY_WINDOW
MOVE_WINDOW_X_Y
WINDOW_VISIBLE_X_Y
第7题:
a++;
b++;
c++;
d++;
e++;
第8题:
Only one I/O calibration process can run at a time
It automates the resource allocation for the Automated Maintenance Tasks
It improves the performance of the performance-critical sessions while running
It can be used to estimate the maximum number of I/Os and maximum latency time for the system
The latency time is computed only when the TIMED_STATISTICS initialization parameter is set to TRUE
第9题:
Indexes and views can be created on temporary tables.
Both the data and the structure of temporary tables can be exported.
Temporary tables are always created in a user’s temporary tablespace.
The data inserted into a temporary table in a session is available to other sessions.
Data manipulation language (DML) locks are never acquired on the data of temporary tables.
第10题:
ALTER TABLE OrdersDISABLE TRIGGER trg InsertOrders
DROP TRIGGER trg InsertOrders
DISABLE TRIGGER trg InsertOrders ON Orders
ALTER TRIGGER trg InsertOrders ON Orders NOT FOR REPLICATION
第11题:
transform
transmit
manifest
convey
第12题:
Loadline mark
Certificate of Inspection
Station Bill
Tonnage mark
第13题:
Which three statements correctly describe the features of the I/O calibration process?()
第14题:
Given the following code, which method declarations, when inserted at the indicated position, will not cause the program to fail compilation?() public class Qdd1f { public long sum(long a, long b) { return a + b; } // insert new method declaration here }
第15题:
In an iostat report, which of the following options best describes the value of % tm_act?()
第16题:
Which statements are true regarding the Query Result Cache? ()
第17题:
public int sum(int a, int b) { return a + b; }
public int sum(long a, long b) { return 0; }
abstract int sum();
private long sum(long a, long b) { return a + b; }
public long sum(long a, int b) { return a + b; }
第18题:
@do
@for
@while
@dowhile
第19题:
A flow layout can be used to position a component that should resize horizontally when the container is resized.
A grid layout can be used to position a component tat should maintain a constant size even when the container is resized.
A border layout can be used to position component that should maintain a constant size even when the container is resized.
The grid bag layout can be used to give a grid-like layout which differs from the normal grid in that individual rows and columns can have unique sizes.
If two components are placed in the same column of a grid bag layout, and one component resizes horizontally, then the other component must resize horizontally.
第20题:
x = y;
z = x;
y = (B) x;
z = (C) y;
y = (A) y;
第21题:
Indexes and views can be created on temporary tables.
Both the data and the structure of temporary tables can be exported.
Temporary tables are always created in a user’s temporary tablespace.
The data inserted into a temporary table in a session is available to other sessions.
Data manipulation language (DML) locks are never acquired on the data of temporary tables
第22题:
In positions in which the noises in the ship are least likely to interfere with the hearing of a fog signal and the man can see clearly
In positions in which the noises in the ship are much likely to interfere with the hearing of a fog signal
In positions in which the hearing of a signal is reduced to a minimum
In a position in which the man can see clearly
第23题:
dead reckoning
dead weight
dead slow ahead
dead slow astern