Write a java program

There are different programs in a Simple program, such as program1, program2

Then there is an block in every programm

Every block can store other command or other blocks.

(1.5 points) It should support defining block statements. Command: block lab statementLabl ... statementLabn Effect: Defines a new block statement with a unique label lab. The block statement contains a list of statements with labels statementLabl, ..., statementLabn (n > 0). When this block statement is executed, the statements in the block statement are executed in sequence. Example: block block1 assign1 skip1