by @1ronman Fork
{"functions":[],"name":"New Program","main":{"rawId":"main","tpe":"Void","name":"main","statements":[{"@type":"Begin","id":"id_3b83a8c6_2519_4e6f_bc12_27ac8dc459bf"},{"lengthValue":-1,"@type":"Declare","lengthValue1":"3","tpe":"IntegerArray","name":"grade","lengthValue2":"5","id":"id_cec20fe3_2fdf_47f0_a7eb_e44a5bfca1b4","initValue":null},{"@type":"Assign","name":"grade[0]","id":"id_2133d9df_06aa_47b4_bb0b_de7a302c38d4","value":"30"},{"@type":"Assign","name":"grade[1]","id":"id_9680d63b_d8bd_416d_bd38_a50f0bd9a84b","value":"50"},{"@type":"Assign","name":"grade[2]","id":"id_b91beb31_c43d_4327_a9c1_34f241a64d55","value":"100"},{"lengthValue":-1,"@type":"Declare","lengthValue1":"5","tpe":"Integer","name":"sum","lengthValue2":"5","id":"id_516d7391_9ba3_419d_83e8_0e88fd335cd2","initValue":"0"},{"varName":"i","incr":"1","@type":"ForLoop","start":"0","end":"length(grade) -1","id":"id_7897f19f_c068_43e2_b1b5_f3695b262b63","body":{"statements":[{"@type":"Assign","name":"sum","id":"id_9b4d5c4b_a023_4c53_89e7_4067f1182c60","value":"sum + grade[i]"}],"id":"id_245bab8d_89e7_460e_95fe_3402be95cb49"}},{"newline":false,"@type":"Output","id":"id_f938a0e5_47ea_459d_b38b_ce3dd67b4485","value":"\"Average grade is \" + sum / 3.0"},{"@type":"Return","id":"id_15916a4d_901d_4a44_995f_953e1dff5dd5","maybeValue":null}],"parameters":[]},"id":"id_87e03bf6_b402_4e0c_8001_a1711a9df8d3","config":{"showDebugVars":true,"useInputPrompt":false,"echoEnteredValue":false,"showIoBtns":true,"showFunctions":false,"lang":"java","showGenCode":false},"version":"0.3","revision":266}