I want the code in java

Application Module. This module allows all the active users to: Apply leave. The rules for leave application are as described below: - fromDate must be earlier than or equivalent to toDate. - frompate must be later than the system date by the number of days as defined in applicationDay of the selected Leave Type. - Total number of days applied for a leave must not be more than the leave balance of the employee's leave entitlement record (leave balance = entitlement - usage). - Approverid must be automatically captured based on the description as below: Let A be the superior of B,B be the superior of C, and C be the superior of D. Scenario 1: When D applies for a leave which the approvalLevel is " 1 ", C will be recorded the approver of the application. Scenario 2: When D applies for a leave which the approvalLevel is "2", B will be recorded the approver of the application. Scenario 3: When D applies for a leave which the approvaltevel is "3", A will be recorded the approver of the application. Scenario 4: When C applies for a leave which the approvalLevel is "2", A will be recorded the approver of the application. Scenario 5: When B applies for a leave which the approvalLevel is " 1 ", A will be recorded the approver of the application. (20 marks)