01

Introduction to COBOL

Beginner 🕑 15 min 👁 23 views
02

COBOL Data Types and Variables

Beginner 🕑 20 min 👁 4 views
03

COBOL Arithmetic Operations

Beginner 🕑 18 min 👁 2 views
04

COBOL Conditional Statements

Beginner 🕑 20 min 👁 2 views
05

COBOL PERFORM and Loops

Intermediate 🕑 22 min 👁 1 views
06

COBOL File Handling

Intermediate 🕑 25 min 👁 0 views
07

COBOL Tables and Arrays

Intermediate 🕑 25 min 👁 0 views
08

COBOL MOVE Statement

Beginner 🕑 10 min 👁 0 views
09

COBOL INITIALIZE Statement

Beginner 🕑 10 min 👁 0 views
10

COBOL SET Statement

Beginner 🕑 10 min 👁 0 views
11

COBOL ADD Statement

Beginner 🕑 10 min 👁 0 views
12

COBOL SUBTRACT Statement

Beginner 🕑 10 min 👁 0 views
13

COBOL MULTIPLY Statement

Beginner 🕑 10 min 👁 0 views
14

COBOL DIVIDE Statement

Beginner 🕑 10 min 👁 0 views
15

COBOL COMPUTE Statement

Intermediate 🕑 10 min 👁 0 views
16

COBOL IF Statement

Beginner 🕑 10 min 👁 0 views
17

COBOL EVALUATE Statement

Beginner 🕑 10 min 👁 0 views
18

COBOL PERFORM Statement

Intermediate 🕑 10 min 👁 0 views
19

COBOL GO TO Statement

Beginner 🕑 10 min 👁 0 views
20

COBOL STOP Statement

Beginner 🕑 10 min 👁 1 views
21

COBOL OPEN Statement

Intermediate 🕑 10 min 👁 1 views
22

COBOL READ Statement

Intermediate 🕑 10 min 👁 1 views
23

COBOL WRITE Statement

Intermediate 🕑 10 min 👁 0 views
24

COBOL REWRITE Statement

Intermediate 🕑 10 min 👁 0 views
25

COBOL DELETE Statement

Intermediate 🕑 10 min 👁 0 views
26

COBOL CLOSE Statement

Intermediate 🕑 10 min 👁 0 views
27

COBOL STRING Statement

Intermediate 🕑 10 min 👁 0 views
28

COBOL UNSTRING Statement

Intermediate 🕑 10 min 👁 0 views
29

COBOL INSPECT Statement

Intermediate 🕑 10 min 👁 0 views
30

COBOL Reference Modification

Intermediate 🕑 10 min 👁 0 views
31

COBOL SEARCH Statement

Intermediate 🕑 10 min 👁 0 views
32

COBOL SORT Statement

Advanced 🕑 10 min 👁 2 views
33

COBOL MERGE Statement

Advanced 🕑 10 min 👁 0 views
34

COBOL ACCEPT Statement

Beginner 🕑 10 min 👁 1 views
35

COBOL DISPLAY Statement

Beginner 🕑 10 min 👁 3 views
36

COBOL FILE HANDLING - Sequential Files

Intermediate 🕑 10 min 👁 0 views
37

COBOL INDEXED Files (VSAM KSDS)

Advanced 🕑 10 min 👁 0 views
38

COBOL COPY Statement

Beginner 🕑 10 min 👁 0 views
39

COBOL Tables and Arrays

Intermediate 🕑 10 min 👁 0 views
40

COBOL Condition Names (88 Levels)

Beginner 🕑 10 min 👁 0 views
41

COBOL REDEFINES Clause

Intermediate 🕑 10 min 👁 0 views
42

COBOL ACCEPT and DISPLAY

Beginner 🕑 10 min 👁 0 views
43

COBOL CALL Statement

Intermediate 🕑 10 min 👁 0 views
44

COBOL Debugging Techniques

Intermediate 🕑 10 min 👁 0 views
45

COBOL Intrinsic Functions

Intermediate 🕑 10 min 👁 0 views
46

COBOL Nested Programs

Advanced 🕑 10 min 👁 0 views
47

COBOL Compile Directives

Advanced 🕑 10 min 👁 0 views
48

COBOL CONTINUE and NEXT SENTENCE

Beginner 🕑 6 min 👁 0 views
49

COBOL EXIT Statement

Beginner 🕑 6 min 👁 0 views
50

COBOL GO TO Statement

Beginner 🕑 8 min 👁 0 views
51

COBOL ALTER Statement

Intermediate 🕑 8 min 👁 1 views
52

COBOL Special Registers

Intermediate 🕑 12 min 👁 0 views
53

COBOL Report Writer Basics

Advanced 🕑 20 min 👁 0 views
54

COBOL Report Writer - RD Entry

Advanced 🕑 15 min 👁 0 views
55

COBOL Report Writer - Groups

Advanced 🕑 18 min 👁 0 views
56

COBOL XML GENERATE

Advanced 🕑 15 min 👁 0 views
57

COBOL XML PARSE

Advanced 🕑 18 min 👁 0 views
58

COBOL JSON GENERATE

Advanced 🕑 15 min 👁 0 views
59

COBOL JSON PARSE

Advanced 🕑 18 min 👁 0 views
60

COBOL Object-Oriented Basics

Advanced 🕑 20 min 👁 0 views
61

COBOL INVOKE Statement

Advanced 🕑 12 min 👁 1 views
62

COBOL UTF-8 and Unicode

Advanced 🕑 15 min 👁 0 views
63

COBOL Pointer Usage

Advanced 🕑 15 min 👁 0 views
64

COBOL Dynamic Length Items

Advanced 🕑 12 min 👁 0 views
65

COBOL FUNCTION-POINTER

Advanced 🕑 12 min 👁 0 views
66

COBOL ERROR Handling Patterns

Intermediate 🕑 15 min 👁 1 views
67

COBOL Data Validation Techniques

Intermediate 🕑 15 min 👁 0 views
68

COBOL Date Arithmetic

Intermediate 🕑 12 min 👁 0 views
69

COBOL Numeric Editing

Beginner 🕑 10 min 👁 0 views
70

COBOL Sign Handling

Beginner 🕑 8 min 👁 0 views
71

COBOL BINARY vs PACKED-DECIMAL

Intermediate 🕑 12 min 👁 0 views
72

COBOL COMP Fields Explained

Intermediate 🕑 15 min 👁 0 views
73

COBOL Character Set Handling

Intermediate 🕑 10 min 👁 0 views
74

COBOL Paragraph and Section Design

Beginner 🕑 10 min 👁 0 views
75

COBOL Program Structure Best Practices

Beginner 🕑 12 min 👁 0 views
76

COBOL File Handling Best Practices

Intermediate 🕑 15 min 👁 0 views
77

COBOL WORKING-STORAGE Organization

Beginner 🕑 15 min 👁 0 views
78

COBOL LINKAGE SECTION Guide

Intermediate 🕑 15 min 👁 0 views
79

COBOL Batch Processing Patterns

Intermediate 🕑 15 min 👁 0 views
80

COBOL Data Structures Design

Intermediate 🕑 15 min 👁 0 views
81

COBOL STRING Manipulation Advanced

Advanced 🕑 15 min 👁 0 views
82

COBOL OCCURS DEPENDING ON

Intermediate 🕑 15 min 👁 0 views
83

COBOL USAGE Clauses Explained

Beginner 🕑 15 min 👁 0 views
84

COBOL VALUE Clause Options

Beginner 🕑 15 min 👁 0 views
85

COBOL RENAMES Clause

Intermediate 🕑 15 min 👁 0 views
86

COBOL Level 66 RENAMES Usage

Intermediate 🕑 15 min 👁 0 views
87

COBOL Figurative Constants

Beginner 🕑 15 min 👁 0 views
88

COBOL Reserved Words Reference

Beginner 🕑 15 min 👁 0 views
89

COBOL Compiler Options Guide

Advanced 🕑 15 min 👁 0 views
90

COBOL PROCEDURE DIVISION Verbs

Beginner 🕑 15 min 👁 0 views
91

COBOL Arithmetic Precision

Intermediate 🕑 15 min 👁 0 views
92

COBOL Y2K Date Handling

Intermediate 🕑 15 min 👁 0 views
93

COBOL Performance Optimization

Advanced 🕑 15 min 👁 0 views
94

COBOL Mainframe JCL Integration

Intermediate 🕑 15 min 👁 0 views
95

COBOL Unit Testing Techniques

Advanced 🕑 15 min 👁 0 views
96

COBOL Code Documentation Standards

Beginner 🕑 15 min 👁 0 views
97

COBOL Migration Strategies

Advanced 🕑 15 min 👁 0 views
98

COBOL Legacy System Modernization

Advanced 🕑 15 min 👁 0 views
99

COBOL Enterprise Best Practices

Advanced 🕑 15 min 👁 2 views
100

COBOL Debugging with DISPLAY

Beginner 🕑 15 min 👁 2 views