How can I avoid this error

Error: Could not find or load main class CalcInterest Caused by: java.lang.NoClassDefFoundError: org/students/CalcInterest (wrong name: CalcInt Input interest.txt Your output Your program produced no output Name Years Deposit Amount Interest Earned Total Joseph Kardian III Joe Karlton 4.00 $1500.00 4.00 $3000.00 $258.87 $1758.87 $517.74 $3517.74 Nancy Brown 6.00 $6780.00 $2075.02 $8855.02 Mike Hrady 6.00 $6780.00 $2049.32 $8829.32 Albert Wilson Mohadi Mudaber Your output does not contain Joe Ban Kei Ali Mosaker Kim Ji Yoo 12.00 $12000.00 4.00 $2340.00 2.00 $1320.00 6.00 $15500.85 10.00 $7890.90 $8350.58 $20350.58 $405.28 $2745.28 $67.46 $1387.46 $4794.46 $20295.31 $4484.15 $12375.05 Kelly Ma Tai 4.00 $3456.90 $599.77 $4056.67 Larry Brownsen Jr. 6.00 $78650.00 $24070.83 $102720.83 Joseph Wilson 4.00 $5500.00 $954.25 $6454.25 Ali Khan 4.00 $30000.00 $5177.36 $35177.36 Nancy Jones Brown 6.00 $67800.00 $20881.81 $88681.81 Mike Alisson 2.00 $61780.00 $3147.40 $64927.40 0/10 2: Compare output ^ Could not find or load main class CalcInterest by: java.lang.NoClassDefFoundError: org/students/CalcInterest (wrong name: CalcInterest) Input blank.txt